From c5cc7638023d87fb9ddacd80daf7fe31cca8db22 Mon Sep 17 00:00:00 2001
From: "T. Nishino" <gv.nishino@gmail.com>
Date: Thu, 19 Aug 2021 05:41:34 +0900
Subject: [PATCH] Fix comments and indentation (#637)

* Fix indentation

* Replace url of smarty.net from http to https

* Fix breaking links

Replace from http://smarty.php.net to https://www.smarty.net

* Replace link from http to https

* Fix CHANGELOG.md
---
 CHANGELOG.md                                  |   5 +-
 README                                        |   2 +-
 composer.json                                 |   4 +-
 libs/Smarty.class.php                         |   2 +-
 libs/plugins/block.textformat.php             |   2 +-
 libs/plugins/function.counter.php             |   2 +-
 libs/plugins/function.cycle.php               |   2 +-
 libs/plugins/function.fetch.php               |   2 +-
 libs/plugins/function.html_checkboxes.php     |   2 +-
 libs/plugins/function.html_image.php          |   2 +-
 libs/plugins/function.html_options.php        |   2 +-
 libs/plugins/function.html_radios.php         |   2 +-
 libs/plugins/function.html_select_date.php    |   2 +-
 libs/plugins/function.html_select_time.php    |   2 +-
 libs/plugins/function.html_table.php          |   2 +-
 libs/plugins/function.mailto.php              |   2 +-
 libs/plugins/function.math.php                |   2 +-
 libs/plugins/modifier.date_format.php         |   2 +-
 libs/plugins/modifier.escape.php              |   2 +-
 libs/plugins/modifier.mb_wordwrap.php         |   2 +-
 libs/plugins/modifier.regex_replace.php       |   2 +-
 libs/plugins/modifier.replace.php             |   2 +-
 libs/plugins/modifier.spacify.php             |   2 +-
 libs/plugins/modifier.truncate.php            |   2 +-
 libs/plugins/modifiercompiler.cat.php         |   2 +-
 .../modifiercompiler.count_characters.php     |   2 +-
 .../modifiercompiler.count_paragraphs.php     |   2 +-
 .../modifiercompiler.count_sentences.php      |   2 +-
 libs/plugins/modifiercompiler.count_words.php |   2 +-
 libs/plugins/modifiercompiler.default.php     |   2 +-
 libs/plugins/modifiercompiler.escape.php      |   2 +-
 libs/plugins/modifiercompiler.indent.php      |   2 +-
 libs/plugins/modifiercompiler.lower.php       |   2 +-
 .../modifiercompiler.string_format.php        |   2 +-
 libs/plugins/modifiercompiler.strip.php       |   2 +-
 libs/plugins/modifiercompiler.strip_tags.php  |   2 +-
 libs/plugins/modifiercompiler.upper.php       |   2 +-
 libs/plugins/modifiercompiler.wordwrap.php    |   2 +-
 libs/plugins/outputfilter.trimwhitespace.php  |   2 +-
 .../smarty_internal_compile_foreach.php       |   4 +-
 libs/sysplugins/smarty_internal_data.php      |   4 +-
 .../smarty_internal_errorhandler.php          |   4 +-
 .../smarty_internal_method_append.php         |   2 +-
 .../smarty_internal_method_appendbyref.php    |   2 +-
 .../smarty_internal_method_clearallassign.php |   2 +-
 .../smarty_internal_method_clearallcache.php  |   2 +-
 .../smarty_internal_method_clearassign.php    |   2 +-
 .../smarty_internal_method_clearcache.php     |   2 +-
 ..._internal_method_clearcompiledtemplate.php |   2 +-
 .../smarty_internal_method_clearconfig.php    |   2 +-
 .../smarty_internal_method_configload.php     |   4 +-
 .../smarty_internal_method_createdata.php     |   2 +-
 .../smarty_internal_method_getconfigvars.php  |   2 +-
 ...ty_internal_method_getregisteredobject.php |   2 +-
 .../smarty_internal_method_gettags.php        |   2 +-
 ...smarty_internal_method_gettemplatevars.php |   2 +-
 .../smarty_internal_method_loadfilter.php     |   2 +-
 ..._internal_method_registercacheresource.php |   2 +-
 .../smarty_internal_method_registerclass.php  |   2 +-
 ...al_method_registerdefaultpluginhandler.php |   2 +-
 .../smarty_internal_method_registerfilter.php |   2 +-
 .../smarty_internal_method_registerobject.php |   2 +-
 .../smarty_internal_method_registerplugin.php |   2 +-
 ...marty_internal_method_registerresource.php |   2 +-
 .../smarty_internal_method_unloadfilter.php   |   2 +-
 ...nternal_method_unregistercacheresource.php |   2 +-
 ...marty_internal_method_unregisterfilter.php |   2 +-
 ...marty_internal_method_unregisterobject.php |   2 +-
 ...marty_internal_method_unregisterplugin.php |   2 +-
 ...rty_internal_method_unregisterresource.php |   2 +-
 .../smarty_internal_parsetree_template.php    | 138 +++++++++---------
 .../smarty_internal_parsetree_text.php        |  34 ++---
 .../smarty_internal_resource_stream.php       |   2 +-
 .../smarty_internal_templatebase.php          |  28 ++--
 .../smarty_internal_templatecompilerbase.php  |  36 ++---
 .../DefaultConfigHandlerTest.php              |  22 +--
 .../ConfigFileTests/file/ConfigVarTest.php    |   2 +-
 .../ResourceMysqlPluginTest.php               |   4 +-
 .../ResourceTests/File/FileResourceTest.php   |  28 ++--
 .../Registered/RegisteredResourceTest.php     |  48 +++---
 .../PHPunitplugins/resource.db.php            |  18 +--
 .../Stream/StreamResourceTest.php             |   4 +-
 .../UnitTests/SecurityTests/SecurityTest.php  |  56 +++----
 .../BlockPlugin/CompileBlockPluginTest.php    |  20 +--
 .../BockExtend/CompileBlockExtendsTest.php    |  32 ++--
 .../ConfigLoad/CompileConfigLoadTest.php      |   4 +-
 .../Delimiter/CompileDelimiterTest.php        |   4 +-
 .../TagTests/Foreach/CompileForeachTest.php   |   6 +-
 .../Insert/PHPunitplugins/insert.test2.php    |   2 +-
 .../PluginFunctionFetchTest.php               |  12 +-
 .../PluginFunctionHtmlCheckboxesTest.php      |   2 +-
 .../PluginModifierDefaultTest.php             |  12 +-
 .../TagTests/_Attributes/AttributeTest.php    |  18 +--
 .../TagTests/_Error/CompileErrorTest.php      |  16 +-
 .../DoubleQuoted/DoubleQuotedStringTest.php   |   4 +-
 .../ValueTests/Modifier/ModifierTest.php      |   4 +-
 .../PHPfunctions/PhpFunctionTest.php          |  92 ++++++------
 .../Error/SmartyErrorTest.php                 |   4 +-
 .../TemplateSource/X_Scopes/ScopeTest.php     |   6 +-
 99 files changed, 405 insertions(+), 406 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ffc18d0f..b6532930 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -32,7 +32,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [3.1.37] - 2021-01-07
 
 ### Changed
-- Dropped support for PHP versions lower than PHP7.1 (and disabled unit tests for 7.1) 
 - Changed error handlers and handling of undefined constants for php8-compatibility (set $errcontext argument optional) https://github.com/smarty-php/smarty/issues/605
 - Changed expected error levels in unit tests for php8-compatibility
 - Travis unit tests now run for all php versions >= 5.3, including php8
@@ -337,7 +336,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  20.09.2016
   - bugfix some $smarty special template variables are no longer accessed as real variable.
     using them on calls like {if isset($smarty.foo)} or {if empty($smarty.foo)} will fail
-    http://www.smarty.net/forums/viewtopic.php?t=26222
+    https://www.smarty.net/forums/viewtopic.php?t=26222
   - temporary fix for https://github.com/smarty-php/smarty/issues/293 main reason still under investigation
   - improvement new tags {block_parent} {block_child} in template inheritance
 
@@ -349,7 +348,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - bugfix assigning a variable in if condition by function like {if $value = array_shift($array)} the function got called twice https://github.com/smarty-php/smarty/issues/291
   - bugfix function plugins called with assign attribute like {foo assign='bar'} did not output returned content because
            because assumption was made that it was assigned to a variable https://github.com/smarty-php/smarty/issues/292
-  - bugfix calling $smarty->isCached() on a not existing cache file with $smarty->cache_locking = true; could cause a 10 second delay http://www.smarty.net/forums/viewtopic.php?t=26282
+  - bugfix calling $smarty->isCached() on a not existing cache file with $smarty->cache_locking = true; could cause a 10 second delay https://www.smarty.net/forums/viewtopic.php?t=26282
   - improvement make Smarty::clearCompiledTemplate() on custom resource independent from changes of templateId computation
 
  11.09.2016
diff --git a/README b/README
index 9a71519b..d34c5638 100644
--- a/README
+++ b/README
@@ -51,7 +51,7 @@ $smarty->unregisterFilter(...)
 
 Please refer to the online documentation for all specific changes:
 
-http://www.smarty.net/documentation
+https://www.smarty.net/documentation
 
 ----
 
diff --git a/composer.json b/composer.json
index 95112660..abf395b9 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
     "keywords": [
         "templating"
     ],
-    "homepage": "http://www.smarty.net",
+    "homepage": "https://www.smarty.net",
     "license": "LGPL-3.0",
     "authors": [
         {
@@ -27,7 +27,7 @@
     ],
     "support": {
         "issues": "https://github.com/smarty-php/smarty/issues",
-        "forum": "http://www.smarty.net/forums/"
+        "forum": "https://www.smarty.net/forums/"
     },
     "require": {
         "php": "^7.1 || ^8.0"
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 0257f365..9108189c 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -20,7 +20,7 @@
  * Smarty mailing list. Send a blank e-mail to
  * smarty-discussion-subscribe@googlegroups.com
  *
- * @link      http://www.smarty.net/
+ * @link      https://www.smarty.net/
  * @copyright 2018 New Digital Group, Inc.
  * @copyright 2018 Uwe Tews
  * @author    Monte Ohrt <monte at ohrt dot com>
diff --git a/libs/plugins/block.textformat.php b/libs/plugins/block.textformat.php
index 5e494637..fed090e4 100644
--- a/libs/plugins/block.textformat.php
+++ b/libs/plugins/block.textformat.php
@@ -20,7 +20,7 @@
  * - indent_char   - string (" ")
  * - wrap_boundary - boolean (true)
  *
- * @link   http://www.smarty.net/manual/en/language.function.textformat.php {textformat}
+ * @link   https://www.smarty.net/manual/en/language.function.textformat.php {textformat}
  *         (Smarty online manual)
  *
  * @param array                    $params   parameters
diff --git a/libs/plugins/function.counter.php b/libs/plugins/function.counter.php
index a4129e77..54795459 100644
--- a/libs/plugins/function.counter.php
+++ b/libs/plugins/function.counter.php
@@ -12,7 +12,7 @@
  * Purpose:  print out a counter value
  *
  * @author Monte Ohrt <monte at ohrt dot com>
- * @link   http://www.smarty.net/manual/en/language.function.counter.php {counter}
+ * @link   https://www.smarty.net/manual/en/language.function.counter.php {counter}
  *         (Smarty online manual)
  *
  * @param array                    $params   parameters
diff --git a/libs/plugins/function.cycle.php b/libs/plugins/function.cycle.php
index 07ffcc5e..79356999 100644
--- a/libs/plugins/function.cycle.php
+++ b/libs/plugins/function.cycle.php
@@ -28,7 +28,7 @@
  * {cycle name=row values="one,two,three" reset=true}
  * {cycle name=row}
  *
- * @link    http://www.smarty.net/manual/en/language.function.cycle.php {cycle}
+ * @link    https://www.smarty.net/manual/en/language.function.cycle.php {cycle}
  *           (Smarty online manual)
  * @author  Monte Ohrt <monte at ohrt dot com>
  * @author  credit to Mark Priatel <mpriatel@rogers.com>
diff --git a/libs/plugins/function.fetch.php b/libs/plugins/function.fetch.php
index 768761b2..4a3e8819 100644
--- a/libs/plugins/function.fetch.php
+++ b/libs/plugins/function.fetch.php
@@ -11,7 +11,7 @@
  * Name:     fetch
  * Purpose:  fetch file, web or ftp data and display results
  *
- * @link   http://www.smarty.net/manual/en/language.function.fetch.php {fetch}
+ * @link   https://www.smarty.net/manual/en/language.function.fetch.php {fetch}
  *         (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  *
diff --git a/libs/plugins/function.html_checkboxes.php b/libs/plugins/function.html_checkboxes.php
index 302358ed..a8e7a07d 100644
--- a/libs/plugins/function.html_checkboxes.php
+++ b/libs/plugins/function.html_checkboxes.php
@@ -29,7 +29,7 @@
  * - assign     (optional) - assign the output as an array to this variable
  * - escape     (optional) - escape the content (not value), defaults to true
  *
- * @link    http://www.smarty.net/manual/en/language.function.html.checkboxes.php {html_checkboxes}
+ * @link    https://www.smarty.net/manual/en/language.function.html.checkboxes.php {html_checkboxes}
  *             (Smarty online manual)
  * @author  Christopher Kvarme <christopher.kvarme@flashjab.com>
  * @author  credits to Monte Ohrt <monte at ohrt dot com>
diff --git a/libs/plugins/function.html_image.php b/libs/plugins/function.html_image.php
index ad468e4f..71bc6386 100644
--- a/libs/plugins/function.html_image.php
+++ b/libs/plugins/function.html_image.php
@@ -21,7 +21,7 @@
  * - basedir     - (optional) - base directory for absolute paths, default is environment variable DOCUMENT_ROOT
  * - path_prefix - prefix for path output (optional, default empty)
  *
- * @link    http://www.smarty.net/manual/en/language.function.html.image.php {html_image}
+ * @link    https://www.smarty.net/manual/en/language.function.html.image.php {html_image}
  *          (Smarty online manual)
  * @author  Monte Ohrt <monte at ohrt dot com>
  * @author  credits to Duda <duda@big.hu>
diff --git a/libs/plugins/function.html_options.php b/libs/plugins/function.html_options.php
index 6907e8ee..3e433534 100644
--- a/libs/plugins/function.html_options.php
+++ b/libs/plugins/function.html_options.php
@@ -21,7 +21,7 @@
  * - id         (optional) - string default not set
  * - class      (optional) - string default not set
  *
- * @link   http://www.smarty.net/manual/en/language.function.html.options.php {html_image}
+ * @link   https://www.smarty.net/manual/en/language.function.html.options.php {html_image}
  *           (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  * @author Ralf Strehle (minor optimization) <ralf dot strehle at yahoo dot de>
diff --git a/libs/plugins/function.html_radios.php b/libs/plugins/function.html_radios.php
index 5e834587..2223ff7e 100644
--- a/libs/plugins/function.html_radios.php
+++ b/libs/plugins/function.html_radios.php
@@ -29,7 +29,7 @@
  * {html_radios values=$ids name='box' separator='<br>' output=$names}
  * {html_radios values=$ids checked=$checked separator='<br>' output=$names}
  *
- * @link    http://smarty.php.net/manual/en/language.function.html.radios.php {html_radios}
+ * @link    https://www.smarty.net/manual/en/language.function.html.radios.php {html_radios}
  *          (Smarty online manual)
  * @author  Christopher Kvarme <christopher.kvarme@flashjab.com>
  * @author  credits to Monte Ohrt <monte at ohrt dot com>
diff --git a/libs/plugins/function.html_select_date.php b/libs/plugins/function.html_select_date.php
index 86403e3d..763fc60f 100644
--- a/libs/plugins/function.html_select_date.php
+++ b/libs/plugins/function.html_select_date.php
@@ -28,7 +28,7 @@
  *            - 2.0 complete rewrite for performance,
  *              added attributes month_names, *_id
  *
- * @link    http://www.smarty.net/manual/en/language.function.html.select.date.php {html_select_date}
+ * @link    https://www.smarty.net/manual/en/language.function.html.select.date.php {html_select_date}
  *           (Smarty online manual)
  * @version 2.0
  * @author  Andrei Zmievski
diff --git a/libs/plugins/function.html_select_time.php b/libs/plugins/function.html_select_time.php
index cb047bc0..256b56b1 100644
--- a/libs/plugins/function.html_select_time.php
+++ b/libs/plugins/function.html_select_time.php
@@ -11,7 +11,7 @@
  * Name:     html_select_time
  * Purpose:  Prints the dropdowns for time selection
  *
- * @link   http://www.smarty.net/manual/en/language.function.html.select.time.php {html_select_time}
+ * @link   https://www.smarty.net/manual/en/language.function.html.select.time.php {html_select_time}
  *           (Smarty online manual)
  * @author Roberto Berto <roberto@berto.net>
  * @author Monte Ohrt <monte AT ohrt DOT com>
diff --git a/libs/plugins/function.html_table.php b/libs/plugins/function.html_table.php
index ae61e83d..17b0586e 100644
--- a/libs/plugins/function.html_table.php
+++ b/libs/plugins/function.html_table.php
@@ -38,7 +38,7 @@
  * @author  credit to Messju Mohr <messju at lammfellpuschen dot de>
  * @author  credit to boots <boots dot smarty at yahoo dot com>
  * @version 1.1
- * @link    http://www.smarty.net/manual/en/language.function.html.table.php {html_table}
+ * @link    https://www.smarty.net/manual/en/language.function.html.table.php {html_table}
  *           (Smarty online manual)
  *
  * @param array $params parameters
diff --git a/libs/plugins/function.mailto.php b/libs/plugins/function.mailto.php
index 27351df8..ff8d18eb 100644
--- a/libs/plugins/function.mailto.php
+++ b/libs/plugins/function.mailto.php
@@ -36,7 +36,7 @@
  * {mailto address="me@domain.com" cc="you@domain.com,they@domain.com"}
  * {mailto address="me@domain.com" extra='class="mailto"'}
  *
- * @link    http://www.smarty.net/manual/en/language.function.mailto.php {mailto}
+ * @link    https://www.smarty.net/manual/en/language.function.mailto.php {mailto}
  *           (Smarty online manual)
  * @version 1.2
  * @author  Monte Ohrt <monte at ohrt dot com>
diff --git a/libs/plugins/function.math.php b/libs/plugins/function.math.php
index 7348d964..5d58284f 100644
--- a/libs/plugins/function.math.php
+++ b/libs/plugins/function.math.php
@@ -12,7 +12,7 @@
  * Name:     math
  * Purpose:  handle math computations in template
  *
- * @link   http://www.smarty.net/manual/en/language.function.math.php {math}
+ * @link   https://www.smarty.net/manual/en/language.function.math.php {math}
  *           (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  *
diff --git a/libs/plugins/modifier.date_format.php b/libs/plugins/modifier.date_format.php
index c8e88c5c..8e7e0b6e 100644
--- a/libs/plugins/modifier.date_format.php
+++ b/libs/plugins/modifier.date_format.php
@@ -15,7 +15,7 @@
  *          - format: strftime format for output
  *          - default_date: default date if $string is empty
  *
- * @link   http://www.smarty.net/manual/en/language.modifier.date.format.php date_format (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.date.format.php date_format (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  *
  * @param string $string       input date string
diff --git a/libs/plugins/modifier.escape.php b/libs/plugins/modifier.escape.php
index 35bf9720..0c0f74da 100644
--- a/libs/plugins/modifier.escape.php
+++ b/libs/plugins/modifier.escape.php
@@ -11,7 +11,7 @@
  * Name:     escape
  * Purpose:  escape string for output
  *
- * @link   http://www.smarty.net/docs/en/language.modifier.escape
+ * @link   https://www.smarty.net/docs/en/language.modifier.escape
  * @author Monte Ohrt <monte at ohrt dot com>
  *
  * @param string  $string        input string
diff --git a/libs/plugins/modifier.mb_wordwrap.php b/libs/plugins/modifier.mb_wordwrap.php
index 1cd625b6..7c7bd875 100644
--- a/libs/plugins/modifier.mb_wordwrap.php
+++ b/libs/plugins/modifier.mb_wordwrap.php
@@ -11,7 +11,7 @@
  * Name:     mb_wordwrap
  * Purpose:  Wrap a string to a given number of characters
  *
- * @link   http://php.net/manual/en/function.wordwrap.php for similarity
+ * @link   https://php.net/manual/en/function.wordwrap.php for similarity
  *
  * @param string  $str   the string to wrap
  * @param int     $width the width of the output
diff --git a/libs/plugins/modifier.regex_replace.php b/libs/plugins/modifier.regex_replace.php
index 7eb55069..cd57cdf3 100644
--- a/libs/plugins/modifier.regex_replace.php
+++ b/libs/plugins/modifier.regex_replace.php
@@ -11,7 +11,7 @@
  * Name:     regex_replace
  * Purpose:  regular expression search/replace
  *
- * @link   http://smarty.php.net/manual/en/language.modifier.regex.replace.php
+ * @link   https://www.smarty.net/manual/en/language.modifier.regex.replace.php
  *          regex_replace (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  *
diff --git a/libs/plugins/modifier.replace.php b/libs/plugins/modifier.replace.php
index a98f5a4a..71a7c632 100644
--- a/libs/plugins/modifier.replace.php
+++ b/libs/plugins/modifier.replace.php
@@ -11,7 +11,7 @@
  * Name:     replace
  * Purpose:  simple search/replace
  *
- * @link   http://smarty.php.net/manual/en/language.modifier.replace.php replace (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.replace.php replace (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  * @author Uwe Tews
  *
diff --git a/libs/plugins/modifier.spacify.php b/libs/plugins/modifier.spacify.php
index 98efd4b3..251dbe71 100644
--- a/libs/plugins/modifier.spacify.php
+++ b/libs/plugins/modifier.spacify.php
@@ -11,7 +11,7 @@
  * Name:     spacify
  * Purpose:  add spaces between characters in a string
  *
- * @link   http://smarty.php.net/manual/en/language.modifier.spacify.php spacify (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.spacify.php spacify (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  *
  * @param string $string       input string
diff --git a/libs/plugins/modifier.truncate.php b/libs/plugins/modifier.truncate.php
index bb881bf6..33e7e53a 100644
--- a/libs/plugins/modifier.truncate.php
+++ b/libs/plugins/modifier.truncate.php
@@ -13,7 +13,7 @@
  *               optionally splitting in the middle of a word, and
  *               appending the $etc string or inserting $etc into the middle.
  *
- * @link   http://smarty.php.net/manual/en/language.modifier.truncate.php truncate (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.truncate.php truncate (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  *
  * @param string  $string      input string
diff --git a/libs/plugins/modifiercompiler.cat.php b/libs/plugins/modifiercompiler.cat.php
index 21d0e662..2c3a8b2a 100644
--- a/libs/plugins/modifiercompiler.cat.php
+++ b/libs/plugins/modifiercompiler.cat.php
@@ -14,7 +14,7 @@
  * Input:    string to catenate
  * Example:  {$var|cat:"foo"}
  *
- * @link   http://smarty.php.net/manual/en/language.modifier.cat.php cat
+ * @link   https://www.smarty.net/manual/en/language.modifier.cat.php cat
  *           (Smarty online manual)
  * @author Uwe Tews
  *
diff --git a/libs/plugins/modifiercompiler.count_characters.php b/libs/plugins/modifiercompiler.count_characters.php
index 6c44278a..b5d97e27 100644
--- a/libs/plugins/modifiercompiler.count_characters.php
+++ b/libs/plugins/modifiercompiler.count_characters.php
@@ -11,7 +11,7 @@
  * Name:     count_characters
  * Purpose:  count the number of characters in a text
  *
- * @link   http://www.smarty.net/manual/en/language.modifier.count.characters.php count_characters (Smarty online
+ * @link   https://www.smarty.net/manual/en/language.modifier.count.characters.php count_characters (Smarty online
  *         manual)
  * @author Uwe Tews
  *
diff --git a/libs/plugins/modifiercompiler.count_paragraphs.php b/libs/plugins/modifiercompiler.count_paragraphs.php
index e214a56f..33240296 100644
--- a/libs/plugins/modifiercompiler.count_paragraphs.php
+++ b/libs/plugins/modifiercompiler.count_paragraphs.php
@@ -11,7 +11,7 @@
  * Name:     count_paragraphs
  * Purpose:  count the number of paragraphs in a text
  *
- * @link   http://www.smarty.net/manual/en/language.modifier.count.paragraphs.php
+ * @link   https://www.smarty.net/manual/en/language.modifier.count.paragraphs.php
  *          count_paragraphs (Smarty online manual)
  * @author Uwe Tews
  *
diff --git a/libs/plugins/modifiercompiler.count_sentences.php b/libs/plugins/modifiercompiler.count_sentences.php
index 02774563..30e36e5f 100644
--- a/libs/plugins/modifiercompiler.count_sentences.php
+++ b/libs/plugins/modifiercompiler.count_sentences.php
@@ -11,7 +11,7 @@
  * Name:     count_sentences
  * Purpose:  count the number of sentences in a text
  *
- * @link   http://www.smarty.net/manual/en/language.modifier.count.paragraphs.php
+ * @link   https://www.smarty.net/manual/en/language.modifier.count.paragraphs.php
  *          count_sentences (Smarty online manual)
  * @author Uwe Tews
  *
diff --git a/libs/plugins/modifiercompiler.count_words.php b/libs/plugins/modifiercompiler.count_words.php
index 6d889da5..cf2e5022 100644
--- a/libs/plugins/modifiercompiler.count_words.php
+++ b/libs/plugins/modifiercompiler.count_words.php
@@ -11,7 +11,7 @@
  * Name:     count_words
  * Purpose:  count the number of words in a text
  *
- * @link   http://www.smarty.net/manual/en/language.modifier.count.words.php count_words (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.count.words.php count_words (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array $params parameters
diff --git a/libs/plugins/modifiercompiler.default.php b/libs/plugins/modifiercompiler.default.php
index 3846c134..dffa7a98 100644
--- a/libs/plugins/modifiercompiler.default.php
+++ b/libs/plugins/modifiercompiler.default.php
@@ -11,7 +11,7 @@
  * Name:     default
  * Purpose:  designate default value for empty variables
  *
- * @link   http://www.smarty.net/manual/en/language.modifier.default.php default (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.default.php default (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array $params parameters
diff --git a/libs/plugins/modifiercompiler.escape.php b/libs/plugins/modifiercompiler.escape.php
index 0eabebf8..30e2d28b 100644
--- a/libs/plugins/modifiercompiler.escape.php
+++ b/libs/plugins/modifiercompiler.escape.php
@@ -11,7 +11,7 @@
  * Name:     escape
  * Purpose:  escape string for output
  *
- * @link   http://www.smarty.net/docsv2/en/language.modifier.escape count_characters (Smarty online manual)
+ * @link   https://www.smarty.net/docsv2/en/language.modifier.escape count_characters (Smarty online manual)
  * @author Rodney Rehm
  *
  * @param array                                $params parameters
diff --git a/libs/plugins/modifiercompiler.indent.php b/libs/plugins/modifiercompiler.indent.php
index 2088ad6a..636f0edf 100644
--- a/libs/plugins/modifiercompiler.indent.php
+++ b/libs/plugins/modifiercompiler.indent.php
@@ -11,7 +11,7 @@
  * Name:     indent
  * Purpose:  indent lines of text
  *
- * @link   http://www.smarty.net/manual/en/language.modifier.indent.php indent (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.indent.php indent (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array $params parameters
diff --git a/libs/plugins/modifiercompiler.lower.php b/libs/plugins/modifiercompiler.lower.php
index 0d899a00..ac9cc39d 100644
--- a/libs/plugins/modifiercompiler.lower.php
+++ b/libs/plugins/modifiercompiler.lower.php
@@ -11,7 +11,7 @@
  * Name:     lower
  * Purpose:  convert string to lowercase
  *
- * @link   http://www.smarty.net/manual/en/language.modifier.lower.php lower (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.lower.php lower (Smarty online manual)
  * @author Monte Ohrt <monte at ohrt dot com>
  * @author Uwe Tews
  *
diff --git a/libs/plugins/modifiercompiler.string_format.php b/libs/plugins/modifiercompiler.string_format.php
index 66309431..8df5632c 100644
--- a/libs/plugins/modifiercompiler.string_format.php
+++ b/libs/plugins/modifiercompiler.string_format.php
@@ -11,7 +11,7 @@
  * Name:     string_format
  * Purpose:  format strings via sprintf
  *
- * @link   http://www.smarty.net/manual/en/language.modifier.string.format.php string_format (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.string.format.php string_format (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array $params parameters
diff --git a/libs/plugins/modifiercompiler.strip.php b/libs/plugins/modifiercompiler.strip.php
index 04ea332c..51944bde 100644
--- a/libs/plugins/modifiercompiler.strip.php
+++ b/libs/plugins/modifiercompiler.strip.php
@@ -14,7 +14,7 @@
  * Example:  {$var|strip} {$var|strip:"&nbsp;"}
  * Date:     September 25th, 2002
  *
- * @link   http://www.smarty.net/manual/en/language.modifier.strip.php strip (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.strip.php strip (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array $params parameters
diff --git a/libs/plugins/modifiercompiler.strip_tags.php b/libs/plugins/modifiercompiler.strip_tags.php
index 1bca1a28..6ee3df9a 100644
--- a/libs/plugins/modifiercompiler.strip_tags.php
+++ b/libs/plugins/modifiercompiler.strip_tags.php
@@ -11,7 +11,7 @@
  * Name:     strip_tags
  * Purpose:  strip html tags from text
  *
- * @link   http://www.smarty.net/docs/en/language.modifier.strip.tags.tpl strip_tags (Smarty online manual)
+ * @link   https://www.smarty.net/docs/en/language.modifier.strip.tags.tpl strip_tags (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array $params parameters
diff --git a/libs/plugins/modifiercompiler.upper.php b/libs/plugins/modifiercompiler.upper.php
index ea4e95b7..e12ae676 100644
--- a/libs/plugins/modifiercompiler.upper.php
+++ b/libs/plugins/modifiercompiler.upper.php
@@ -11,7 +11,7 @@
  * Name:     lower
  * Purpose:  convert string to uppercase
  *
- * @link   http://smarty.php.net/manual/en/language.modifier.upper.php lower (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.upper.php lower (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array $params parameters
diff --git a/libs/plugins/modifiercompiler.wordwrap.php b/libs/plugins/modifiercompiler.wordwrap.php
index 8565f140..49cb40b0 100644
--- a/libs/plugins/modifiercompiler.wordwrap.php
+++ b/libs/plugins/modifiercompiler.wordwrap.php
@@ -11,7 +11,7 @@
  * Name:     wordwrap
  * Purpose:  wrap a string of text at a given length
  *
- * @link   http://smarty.php.net/manual/en/language.modifier.wordwrap.php wordwrap (Smarty online manual)
+ * @link   https://www.smarty.net/manual/en/language.modifier.wordwrap.php wordwrap (Smarty online manual)
  * @author Uwe Tews
  *
  * @param array                                 $params parameters
diff --git a/libs/plugins/outputfilter.trimwhitespace.php b/libs/plugins/outputfilter.trimwhitespace.php
index 7e4503a1..2f747ad5 100644
--- a/libs/plugins/outputfilter.trimwhitespace.php
+++ b/libs/plugins/outputfilter.trimwhitespace.php
@@ -41,7 +41,7 @@ function smarty_outputfilter_trimwhitespace($source)
         }
     }
     // Strip all HTML-Comments
-    // yes, even the ones in <script> - see http://stackoverflow.com/a/808850/515124
+    // yes, even the ones in <script> - see https://stackoverflow.com/a/808850/515124
     $source = preg_replace('#<!--.*?-->#ms', '', $source);
     // capture html elements not to be messed with
     $_offset = 0;
diff --git a/libs/sysplugins/smarty_internal_compile_foreach.php b/libs/sysplugins/smarty_internal_compile_foreach.php
index a68da540..edfe358b 100644
--- a/libs/sysplugins/smarty_internal_compile_foreach.php
+++ b/libs/sysplugins/smarty_internal_compile_foreach.php
@@ -219,9 +219,9 @@ class Smarty_Internal_Compile_Foreach extends Smarty_Internal_Compile_Private_Fo
         if (isset($itemAttr[ 'index' ])) {
             $output .= "{$itemVar}->index = -1;\n";
         }
-	    $output .= "{$itemVar}->do_else = true;\n";
+        $output .= "{$itemVar}->do_else = true;\n";
         $output .= "if (\$_from !== null) foreach (\$_from as {$keyTerm}{$itemVar}->value) {\n";
-	    $output .= "{$itemVar}->do_else = false;\n";
+        $output .= "{$itemVar}->do_else = false;\n";
         if (isset($attributes[ 'key' ]) && isset($itemAttr[ 'key' ])) {
             $output .= "\$_smarty_tpl->tpl_vars['{$key}']->value = {$itemVar}->key;\n";
         }
diff --git a/libs/sysplugins/smarty_internal_data.php b/libs/sysplugins/smarty_internal_data.php
index 04198b0e..1b64185b 100644
--- a/libs/sysplugins/smarty_internal_data.php
+++ b/libs/sysplugins/smarty_internal_data.php
@@ -121,7 +121,7 @@ abstract class Smarty_Internal_Data
      * appends values to template variables
      *
      * @api  Smarty::append()
-     * @link http://www.smarty.net/docs/en/api.append.tpl
+     * @link https://www.smarty.net/docs/en/api.append.tpl
      *
      * @param array|string $tpl_var the template variable name(s)
      * @param mixed        $value   the value to append
@@ -182,7 +182,7 @@ abstract class Smarty_Internal_Data
      * Returns a single or all template variables
      *
      * @api  Smarty::getTemplateVars()
-     * @link http://www.smarty.net/docs/en/api.get.template.vars.tpl
+     * @link https://www.smarty.net/docs/en/api.get.template.vars.tpl
      *
      * @param string                                                  $varName       variable name or null
      * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $_ptr          optional pointer to data object
diff --git a/libs/sysplugins/smarty_internal_errorhandler.php b/libs/sysplugins/smarty_internal_errorhandler.php
index 04f1c7f2..c2b653ef 100644
--- a/libs/sysplugins/smarty_internal_errorhandler.php
+++ b/libs/sysplugins/smarty_internal_errorhandler.php
@@ -31,7 +31,7 @@ class Smarty_Internal_ErrorHandler
     public function activate() {
         /*
             Error muting is done because some people implemented custom error_handlers using
-            http://php.net/set_error_handler and for some reason did not understand the following paragraph:
+            https://php.net/set_error_handler and for some reason did not understand the following paragraph:
 
             It is important to remember that the standard PHP error handler is completely bypassed for the
             error types specified by error_types unless the callback function returns FALSE.
@@ -54,7 +54,7 @@ class Smarty_Internal_ErrorHandler
     /**
      * Error Handler to mute expected messages
      *
-     * @link http://php.net/set_error_handler
+     * @link https://php.net/set_error_handler
      *
      * @param integer $errno Error level
      * @param         $errstr
diff --git a/libs/sysplugins/smarty_internal_method_append.php b/libs/sysplugins/smarty_internal_method_append.php
index 881375ef..e207734e 100644
--- a/libs/sysplugins/smarty_internal_method_append.php
+++ b/libs/sysplugins/smarty_internal_method_append.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_Append
      * appends values to template variables
      *
      * @api  Smarty::append()
-     * @link http://www.smarty.net/docs/en/api.append.tpl
+     * @link https://www.smarty.net/docs/en/api.append.tpl
      *
      * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $data
      * @param array|string                                            $tpl_var the template variable name(s)
diff --git a/libs/sysplugins/smarty_internal_method_appendbyref.php b/libs/sysplugins/smarty_internal_method_appendbyref.php
index c9590446..b5be69b5 100644
--- a/libs/sysplugins/smarty_internal_method_appendbyref.php
+++ b/libs/sysplugins/smarty_internal_method_appendbyref.php
@@ -15,7 +15,7 @@ class Smarty_Internal_Method_AppendByRef
      * appends values to template variables by reference
      *
      * @api  Smarty::appendByRef()
-     * @link http://www.smarty.net/docs/en/api.append.by.ref.tpl
+     * @link https://www.smarty.net/docs/en/api.append.by.ref.tpl
      *
      * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $data
      * @param string                                                  $tpl_var the template variable name
diff --git a/libs/sysplugins/smarty_internal_method_clearallassign.php b/libs/sysplugins/smarty_internal_method_clearallassign.php
index 29ff2ffb..6fb0c8f3 100644
--- a/libs/sysplugins/smarty_internal_method_clearallassign.php
+++ b/libs/sysplugins/smarty_internal_method_clearallassign.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_ClearAllAssign
      * clear all the assigned template variables.
      *
      * @api  Smarty::clearAllAssign()
-     * @link http://www.smarty.net/docs/en/api.clear.all.assign.tpl
+     * @link https://www.smarty.net/docs/en/api.clear.all.assign.tpl
      *
      * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $data
      *
diff --git a/libs/sysplugins/smarty_internal_method_clearallcache.php b/libs/sysplugins/smarty_internal_method_clearallcache.php
index 30d55f7d..b74d3058 100644
--- a/libs/sysplugins/smarty_internal_method_clearallcache.php
+++ b/libs/sysplugins/smarty_internal_method_clearallcache.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_ClearAllCache
      * Empty cache folder
      *
      * @api  Smarty::clearAllCache()
-     * @link http://www.smarty.net/docs/en/api.clear.all.cache.tpl
+     * @link https://www.smarty.net/docs/en/api.clear.all.cache.tpl
      *
      * @param \Smarty $smarty
      * @param integer $exp_time expiration time
diff --git a/libs/sysplugins/smarty_internal_method_clearassign.php b/libs/sysplugins/smarty_internal_method_clearassign.php
index 22bfa2d3..12b755c0 100644
--- a/libs/sysplugins/smarty_internal_method_clearassign.php
+++ b/libs/sysplugins/smarty_internal_method_clearassign.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_ClearAssign
      * clear the given assigned template variable(s).
      *
      * @api  Smarty::clearAssign()
-     * @link http://www.smarty.net/docs/en/api.clear.assign.tpl
+     * @link https://www.smarty.net/docs/en/api.clear.assign.tpl
      *
      * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $data
      * @param string|array                                            $tpl_var the template variable(s) to clear
diff --git a/libs/sysplugins/smarty_internal_method_clearcache.php b/libs/sysplugins/smarty_internal_method_clearcache.php
index a5dd4e26..df766eee 100644
--- a/libs/sysplugins/smarty_internal_method_clearcache.php
+++ b/libs/sysplugins/smarty_internal_method_clearcache.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_ClearCache
      * Empty cache for a specific template
      *
      * @api  Smarty::clearCache()
-     * @link http://www.smarty.net/docs/en/api.clear.cache.tpl
+     * @link https://www.smarty.net/docs/en/api.clear.cache.tpl
      *
      * @param \Smarty $smarty
      * @param string  $template_name template name
diff --git a/libs/sysplugins/smarty_internal_method_clearcompiledtemplate.php b/libs/sysplugins/smarty_internal_method_clearcompiledtemplate.php
index bf492980..db0a49b0 100644
--- a/libs/sysplugins/smarty_internal_method_clearcompiledtemplate.php
+++ b/libs/sysplugins/smarty_internal_method_clearcompiledtemplate.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_ClearCompiledTemplate
      * Delete compiled template file
      *
      * @api  Smarty::clearCompiledTemplate()
-     * @link http://www.smarty.net/docs/en/api.clear.compiled.template.tpl
+     * @link https://www.smarty.net/docs/en/api.clear.compiled.template.tpl
      *
      * @param \Smarty $smarty
      * @param string  $resource_name template name
diff --git a/libs/sysplugins/smarty_internal_method_clearconfig.php b/libs/sysplugins/smarty_internal_method_clearconfig.php
index 15bf492a..d1b73032 100644
--- a/libs/sysplugins/smarty_internal_method_clearconfig.php
+++ b/libs/sysplugins/smarty_internal_method_clearconfig.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_ClearConfig
      * clear a single or all config variables
      *
      * @api  Smarty::clearConfig()
-     * @link http://www.smarty.net/docs/en/api.clear.config.tpl
+     * @link https://www.smarty.net/docs/en/api.clear.config.tpl
      *
      * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $data
      * @param string|null                                             $name variable name or null
diff --git a/libs/sysplugins/smarty_internal_method_configload.php b/libs/sysplugins/smarty_internal_method_configload.php
index 2e625488..c3174d2d 100644
--- a/libs/sysplugins/smarty_internal_method_configload.php
+++ b/libs/sysplugins/smarty_internal_method_configload.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_ConfigLoad
      * load a config file, optionally load just selected sections
      *
      * @api  Smarty::configLoad()
-     * @link http://www.smarty.net/docs/en/api.config.load.tpl
+     * @link https://www.smarty.net/docs/en/api.config.load.tpl
      *
      * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $data
      * @param string                                                  $config_file filename
@@ -42,7 +42,7 @@ class Smarty_Internal_Method_ConfigLoad
      * load a config file, optionally load just selected sections
      *
      * @api  Smarty::configLoad()
-     * @link http://www.smarty.net/docs/en/api.config.load.tpl
+     * @link https://www.smarty.net/docs/en/api.config.load.tpl
      *
      * @param \Smarty|\Smarty_Internal_Data|\Smarty_Internal_Template $data
      * @param string                                                  $config_file filename
diff --git a/libs/sysplugins/smarty_internal_method_createdata.php b/libs/sysplugins/smarty_internal_method_createdata.php
index f9509751..c684c087 100644
--- a/libs/sysplugins/smarty_internal_method_createdata.php
+++ b/libs/sysplugins/smarty_internal_method_createdata.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_CreateData
      * creates a data object
      *
      * @api  Smarty::createData()
-     * @link http://www.smarty.net/docs/en/api.create.data.tpl
+     * @link https://www.smarty.net/docs/en/api.create.data.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty      $obj
      * @param \Smarty_Internal_Template|\Smarty_Internal_Data|\Smarty_Data|\Smarty $parent next higher level of Smarty
diff --git a/libs/sysplugins/smarty_internal_method_getconfigvars.php b/libs/sysplugins/smarty_internal_method_getconfigvars.php
index 1d11e44c..763bdf98 100644
--- a/libs/sysplugins/smarty_internal_method_getconfigvars.php
+++ b/libs/sysplugins/smarty_internal_method_getconfigvars.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_GetConfigVars
      * Returns a single or all config variables
      *
      * @api  Smarty::getConfigVars()
-     * @link http://www.smarty.net/docs/en/api.get.config.vars.tpl
+     * @link https://www.smarty.net/docs/en/api.get.config.vars.tpl
      *
      * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $data
      * @param string                                                  $varname        variable name or null
diff --git a/libs/sysplugins/smarty_internal_method_getregisteredobject.php b/libs/sysplugins/smarty_internal_method_getregisteredobject.php
index df6ede13..0b3a071d 100644
--- a/libs/sysplugins/smarty_internal_method_getregisteredobject.php
+++ b/libs/sysplugins/smarty_internal_method_getregisteredobject.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_GetRegisteredObject
      * return a reference to a registered object
      *
      * @api  Smarty::getRegisteredObject()
-     * @link http://www.smarty.net/docs/en/api.get.registered.object.tpl
+     * @link https://www.smarty.net/docs/en/api.get.registered.object.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param string                                                          $object_name object name
diff --git a/libs/sysplugins/smarty_internal_method_gettags.php b/libs/sysplugins/smarty_internal_method_gettags.php
index c07ae07e..0d1335a8 100644
--- a/libs/sysplugins/smarty_internal_method_gettags.php
+++ b/libs/sysplugins/smarty_internal_method_gettags.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_GetTags
      * Return array of tag/attributes of all tags used by an template
      *
      * @api  Smarty::getTags()
-     * @link http://www.smarty.net/docs/en/api.get.tags.tpl
+     * @link https://www.smarty.net/docs/en/api.get.tags.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param null|string|Smarty_Internal_Template                            $template
diff --git a/libs/sysplugins/smarty_internal_method_gettemplatevars.php b/libs/sysplugins/smarty_internal_method_gettemplatevars.php
index 9ef7d46b..0470785b 100644
--- a/libs/sysplugins/smarty_internal_method_gettemplatevars.php
+++ b/libs/sysplugins/smarty_internal_method_gettemplatevars.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_GetTemplateVars
      * Returns a single or all template variables
      *
      * @api  Smarty::getTemplateVars()
-     * @link http://www.smarty.net/docs/en/api.get.template.vars.tpl
+     * @link https://www.smarty.net/docs/en/api.get.template.vars.tpl
      *
      * @param \Smarty_Internal_Data|\Smarty_Internal_Template|\Smarty $data
      * @param string                                                  $varName       variable name or null
diff --git a/libs/sysplugins/smarty_internal_method_loadfilter.php b/libs/sysplugins/smarty_internal_method_loadfilter.php
index 66d80d47..af788a24 100644
--- a/libs/sysplugins/smarty_internal_method_loadfilter.php
+++ b/libs/sysplugins/smarty_internal_method_loadfilter.php
@@ -30,7 +30,7 @@ class Smarty_Internal_Method_LoadFilter
      *
      * @api  Smarty::loadFilter()
      *
-     * @link http://www.smarty.net/docs/en/api.load.filter.tpl
+     * @link https://www.smarty.net/docs/en/api.load.filter.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param string                                                          $type filter type
diff --git a/libs/sysplugins/smarty_internal_method_registercacheresource.php b/libs/sysplugins/smarty_internal_method_registercacheresource.php
index 64836561..5608b3fd 100644
--- a/libs/sysplugins/smarty_internal_method_registercacheresource.php
+++ b/libs/sysplugins/smarty_internal_method_registercacheresource.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_RegisterCacheResource
      * Registers a resource to fetch a template
      *
      * @api  Smarty::registerCacheResource()
-     * @link http://www.smarty.net/docs/en/api.register.cacheresource.tpl
+     * @link https://www.smarty.net/docs/en/api.register.cacheresource.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param string                                                          $name name of resource type
diff --git a/libs/sysplugins/smarty_internal_method_registerclass.php b/libs/sysplugins/smarty_internal_method_registerclass.php
index 8d18547e..76a69c6e 100644
--- a/libs/sysplugins/smarty_internal_method_registerclass.php
+++ b/libs/sysplugins/smarty_internal_method_registerclass.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_RegisterClass
      * Registers static classes to be used in templates
      *
      * @api  Smarty::registerClass()
-     * @link http://www.smarty.net/docs/en/api.register.class.tpl
+     * @link https://www.smarty.net/docs/en/api.register.class.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param string                                                          $class_name
diff --git a/libs/sysplugins/smarty_internal_method_registerdefaultpluginhandler.php b/libs/sysplugins/smarty_internal_method_registerdefaultpluginhandler.php
index a9fb78dc..4cda5b05 100644
--- a/libs/sysplugins/smarty_internal_method_registerdefaultpluginhandler.php
+++ b/libs/sysplugins/smarty_internal_method_registerdefaultpluginhandler.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_RegisterDefaultPluginHandler
      * Registers a default plugin handler
      *
      * @api  Smarty::registerDefaultPluginHandler()
-     * @link http://www.smarty.net/docs/en/api.register.default.plugin.handler.tpl
+     * @link https://www.smarty.net/docs/en/api.register.default.plugin.handler.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param callable                                                        $callback class/method name
diff --git a/libs/sysplugins/smarty_internal_method_registerfilter.php b/libs/sysplugins/smarty_internal_method_registerfilter.php
index c0f9fff1..9719eb2b 100644
--- a/libs/sysplugins/smarty_internal_method_registerfilter.php
+++ b/libs/sysplugins/smarty_internal_method_registerfilter.php
@@ -30,7 +30,7 @@ class Smarty_Internal_Method_RegisterFilter
      *
      * @api  Smarty::registerFilter()
      *
-     * @link http://www.smarty.net/docs/en/api.register.filter.tpl
+     * @link https://www.smarty.net/docs/en/api.register.filter.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param string                                                          $type filter type
diff --git a/libs/sysplugins/smarty_internal_method_registerobject.php b/libs/sysplugins/smarty_internal_method_registerobject.php
index 4646e4f2..8e6fe052 100644
--- a/libs/sysplugins/smarty_internal_method_registerobject.php
+++ b/libs/sysplugins/smarty_internal_method_registerobject.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_RegisterObject
      * Registers object to be used in templates
      *
      * @api  Smarty::registerObject()
-     * @link http://www.smarty.net/docs/en/api.register.object.tpl
+     * @link https://www.smarty.net/docs/en/api.register.object.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param string                                                          $object_name
diff --git a/libs/sysplugins/smarty_internal_method_registerplugin.php b/libs/sysplugins/smarty_internal_method_registerplugin.php
index ed18d84b..74c0ae90 100644
--- a/libs/sysplugins/smarty_internal_method_registerplugin.php
+++ b/libs/sysplugins/smarty_internal_method_registerplugin.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_RegisterPlugin
      * Registers plugin to be used in templates
      *
      * @api  Smarty::registerPlugin()
-     * @link http://www.smarty.net/docs/en/api.register.plugin.tpl
+     * @link https://www.smarty.net/docs/en/api.register.plugin.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param string                                                          $type       plugin type
diff --git a/libs/sysplugins/smarty_internal_method_registerresource.php b/libs/sysplugins/smarty_internal_method_registerresource.php
index cba3a98e..302657ae 100644
--- a/libs/sysplugins/smarty_internal_method_registerresource.php
+++ b/libs/sysplugins/smarty_internal_method_registerresource.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_RegisterResource
      * Registers a resource to fetch a template
      *
      * @api  Smarty::registerResource()
-     * @link http://www.smarty.net/docs/en/api.register.resource.tpl
+     * @link https://www.smarty.net/docs/en/api.register.resource.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param string                                                          $name             name of resource type
diff --git a/libs/sysplugins/smarty_internal_method_unloadfilter.php b/libs/sysplugins/smarty_internal_method_unloadfilter.php
index 55e1596b..e41e8dff 100644
--- a/libs/sysplugins/smarty_internal_method_unloadfilter.php
+++ b/libs/sysplugins/smarty_internal_method_unloadfilter.php
@@ -16,7 +16,7 @@ class Smarty_Internal_Method_UnloadFilter extends Smarty_Internal_Method_LoadFil
      *
      * @api  Smarty::unloadFilter()
      *
-     * @link http://www.smarty.net/docs/en/api.unload.filter.tpl
+     * @link https://www.smarty.net/docs/en/api.unload.filter.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param string                                                          $type filter type
diff --git a/libs/sysplugins/smarty_internal_method_unregistercacheresource.php b/libs/sysplugins/smarty_internal_method_unregistercacheresource.php
index b9990386..377397e9 100644
--- a/libs/sysplugins/smarty_internal_method_unregistercacheresource.php
+++ b/libs/sysplugins/smarty_internal_method_unregistercacheresource.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_UnregisterCacheResource
      * Registers a resource to fetch a template
      *
      * @api  Smarty::unregisterCacheResource()
-     * @link http://www.smarty.net/docs/en/api.unregister.cacheresource.tpl
+     * @link https://www.smarty.net/docs/en/api.unregister.cacheresource.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param                                                                 $name
diff --git a/libs/sysplugins/smarty_internal_method_unregisterfilter.php b/libs/sysplugins/smarty_internal_method_unregisterfilter.php
index 9cb494a5..ebc9337d 100644
--- a/libs/sysplugins/smarty_internal_method_unregisterfilter.php
+++ b/libs/sysplugins/smarty_internal_method_unregisterfilter.php
@@ -16,7 +16,7 @@ class Smarty_Internal_Method_UnregisterFilter extends Smarty_Internal_Method_Reg
      *
      * @api  Smarty::unregisterFilter()
      *
-     * @link http://www.smarty.net/docs/en/api.unregister.filter.tpl
+     * @link https://www.smarty.net/docs/en/api.unregister.filter.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param string                                                          $type filter type
diff --git a/libs/sysplugins/smarty_internal_method_unregisterobject.php b/libs/sysplugins/smarty_internal_method_unregisterobject.php
index 1e592b33..77d61963 100644
--- a/libs/sysplugins/smarty_internal_method_unregisterobject.php
+++ b/libs/sysplugins/smarty_internal_method_unregisterobject.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_UnregisterObject
      * Registers plugin to be used in templates
      *
      * @api  Smarty::unregisterObject()
-     * @link http://www.smarty.net/docs/en/api.unregister.object.tpl
+     * @link https://www.smarty.net/docs/en/api.unregister.object.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param string                                                          $object_name name of object
diff --git a/libs/sysplugins/smarty_internal_method_unregisterplugin.php b/libs/sysplugins/smarty_internal_method_unregisterplugin.php
index f39e3167..2431d5c2 100644
--- a/libs/sysplugins/smarty_internal_method_unregisterplugin.php
+++ b/libs/sysplugins/smarty_internal_method_unregisterplugin.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_UnregisterPlugin
      * Registers plugin to be used in templates
      *
      * @api  Smarty::unregisterPlugin()
-     * @link http://www.smarty.net/docs/en/api.unregister.plugin.tpl
+     * @link https://www.smarty.net/docs/en/api.unregister.plugin.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param string                                                          $type plugin type
diff --git a/libs/sysplugins/smarty_internal_method_unregisterresource.php b/libs/sysplugins/smarty_internal_method_unregisterresource.php
index a79db429..bbb6a861 100644
--- a/libs/sysplugins/smarty_internal_method_unregisterresource.php
+++ b/libs/sysplugins/smarty_internal_method_unregisterresource.php
@@ -22,7 +22,7 @@ class Smarty_Internal_Method_UnregisterResource
      * Registers a resource to fetch a template
      *
      * @api  Smarty::unregisterResource()
-     * @link http://www.smarty.net/docs/en/api.unregister.resource.tpl
+     * @link https://www.smarty.net/docs/en/api.unregister.resource.tpl
      *
      * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
      * @param string                                                          $type name of resource type
diff --git a/libs/sysplugins/smarty_internal_parsetree_template.php b/libs/sysplugins/smarty_internal_parsetree_template.php
index ab4c3ec3..829c420f 100644
--- a/libs/sysplugins/smarty_internal_parsetree_template.php
+++ b/libs/sysplugins/smarty_internal_parsetree_template.php
@@ -87,83 +87,83 @@ class Smarty_Internal_ParseTree_Template extends Smarty_Internal_ParseTree
         $code = '';
 
         foreach ($this->getChunkedSubtrees() as $chunk) {
-	        $text = '';
-	        switch ($chunk['mode']) {
-		        case 'textstripped':
-			        foreach ($chunk['subtrees'] as $subtree) {
-				        $text .= $subtree->to_smarty_php($parser);
-			        }
-			        $code .= preg_replace(
-				        '/((<%)|(%>)|(<\?php)|(<\?)|(\?>)|(<\/?script))/',
-				        "<?php echo '\$1'; ?>\n",
-				        $parser->compiler->processText($text)
-			        );
-			        break;
-		        case 'text':
-			        foreach ($chunk['subtrees'] as $subtree) {
-				        $text .= $subtree->to_smarty_php($parser);
-			        }
-			        $code .= preg_replace(
-				        '/((<%)|(%>)|(<\?php)|(<\?)|(\?>)|(<\/?script))/',
-				        "<?php echo '\$1'; ?>\n",
-				        $text
-			        );
-			        break;
-		        case 'tag':
-			        foreach ($chunk['subtrees'] as $subtree) {
-				        $text = $parser->compiler->appendCode($text, $subtree->to_smarty_php($parser));
-			        }
-			        $code .= $text;
-			        break;
-		        default:
-			        foreach ($chunk['subtrees'] as $subtree) {
-				        $text = $subtree->to_smarty_php($parser);
-			        }
-			        $code .= $text;
+            $text = '';
+            switch ($chunk['mode']) {
+                case 'textstripped':
+                    foreach ($chunk['subtrees'] as $subtree) {
+                        $text .= $subtree->to_smarty_php($parser);
+                    }
+                    $code .= preg_replace(
+                        '/((<%)|(%>)|(<\?php)|(<\?)|(\?>)|(<\/?script))/',
+                        "<?php echo '\$1'; ?>\n",
+                        $parser->compiler->processText($text)
+                    );
+                    break;
+                case 'text':
+                    foreach ($chunk['subtrees'] as $subtree) {
+                        $text .= $subtree->to_smarty_php($parser);
+                    }
+                    $code .= preg_replace(
+                        '/((<%)|(%>)|(<\?php)|(<\?)|(\?>)|(<\/?script))/',
+                        "<?php echo '\$1'; ?>\n",
+                        $text
+                    );
+                    break;
+                case 'tag':
+                    foreach ($chunk['subtrees'] as $subtree) {
+                        $text = $parser->compiler->appendCode($text, $subtree->to_smarty_php($parser));
+                    }
+                    $code .= $text;
+                    break;
+                default:
+                    foreach ($chunk['subtrees'] as $subtree) {
+                        $text = $subtree->to_smarty_php($parser);
+                    }
+                    $code .= $text;
 
-	        }
+            }
         }
         return $code;
     }
 
     private function getChunkedSubtrees() {
-    	$chunks = array();
-    	$currentMode = null;
-    	$currentChunk = array();
-	    for ($key = 0, $cnt = count($this->subtrees); $key < $cnt; $key++) {
+        $chunks = array();
+        $currentMode = null;
+        $currentChunk = array();
+        for ($key = 0, $cnt = count($this->subtrees); $key < $cnt; $key++) {
 
-	    	if ($this->subtrees[ $key ]->data === '' && in_array($currentMode, array('textstripped', 'text', 'tag'))) {
-	    		continue;
-	    	}
+            if ($this->subtrees[ $key ]->data === '' && in_array($currentMode, array('textstripped', 'text', 'tag'))) {
+                continue;
+            }
 
-		    if ($this->subtrees[ $key ] instanceof Smarty_Internal_ParseTree_Text
-			    && $this->subtrees[ $key ]->isToBeStripped()) {
-		    	$newMode = 'textstripped';
-		    } elseif ($this->subtrees[ $key ] instanceof Smarty_Internal_ParseTree_Text) {
-			    $newMode = 'text';
-		    } elseif ($this->subtrees[ $key ] instanceof Smarty_Internal_ParseTree_Tag) {
-			    $newMode = 'tag';
-		    } else {
-			    $newMode = 'other';
-		    }
+            if ($this->subtrees[ $key ] instanceof Smarty_Internal_ParseTree_Text
+                && $this->subtrees[ $key ]->isToBeStripped()) {
+                $newMode = 'textstripped';
+            } elseif ($this->subtrees[ $key ] instanceof Smarty_Internal_ParseTree_Text) {
+                $newMode = 'text';
+            } elseif ($this->subtrees[ $key ] instanceof Smarty_Internal_ParseTree_Tag) {
+                $newMode = 'tag';
+            } else {
+                $newMode = 'other';
+            }
 
-		    if ($newMode == $currentMode) {
-			    $currentChunk[] = $this->subtrees[ $key ];
-		    } else {
-		    	$chunks[] = array(
-		    		'mode' => $currentMode,
-				    'subtrees' => $currentChunk
-			    );
-		    	$currentMode = $newMode;
-			    $currentChunk = array($this->subtrees[ $key ]);
-		    }
-	    }
-	    if ($currentMode && $currentChunk) {
-		    $chunks[] = array(
-			    'mode' => $currentMode,
-			    'subtrees' => $currentChunk
-		    );
-	    }
-		return $chunks;
+            if ($newMode == $currentMode) {
+                $currentChunk[] = $this->subtrees[ $key ];
+            } else {
+                $chunks[] = array(
+                    'mode' => $currentMode,
+                    'subtrees' => $currentChunk
+                );
+                $currentMode = $newMode;
+                $currentChunk = array($this->subtrees[ $key ]);
+            }
+        }
+        if ($currentMode && $currentChunk) {
+            $chunks[] = array(
+                'mode' => $currentMode,
+                'subtrees' => $currentChunk
+            );
+        }
+        return $chunks;
     }
 }
diff --git a/libs/sysplugins/smarty_internal_parsetree_text.php b/libs/sysplugins/smarty_internal_parsetree_text.php
index 399e8494..58116c81 100644
--- a/libs/sysplugins/smarty_internal_parsetree_text.php
+++ b/libs/sysplugins/smarty_internal_parsetree_text.php
@@ -17,30 +17,30 @@
 class Smarty_Internal_ParseTree_Text extends Smarty_Internal_ParseTree
 {
 
-	/**
-	 * Wether this section should be stripped on output to smarty php
-	 * @var bool
-	 */
-	private $toBeStripped = false;
+    /**
+     * Wether this section should be stripped on output to smarty php
+     * @var bool
+     */
+    private $toBeStripped = false;
 
-	/**
-	 * Create template text buffer
-	 *
-	 * @param string $data text
-	 * @param bool $toBeStripped wether this section should be stripped on output to smarty php
-	 */
+    /**
+     * Create template text buffer
+     *
+     * @param string $data text
+     * @param bool $toBeStripped wether this section should be stripped on output to smarty php
+     */
     public function __construct($data, $toBeStripped = false)
     {
         $this->data = $data;
         $this->toBeStripped = $toBeStripped;
     }
 
-	/**
-	 * Wether this section should be stripped on output to smarty php
-	 * @return bool
-	 */
-	public function isToBeStripped() {
-    	return $this->toBeStripped;
+    /**
+     * Wether this section should be stripped on output to smarty php
+     * @return bool
+     */
+    public function isToBeStripped() {
+        return $this->toBeStripped;
     }
 
     /**
diff --git a/libs/sysplugins/smarty_internal_resource_stream.php b/libs/sysplugins/smarty_internal_resource_stream.php
index 9956bd07..5f020349 100644
--- a/libs/sysplugins/smarty_internal_resource_stream.php
+++ b/libs/sysplugins/smarty_internal_resource_stream.php
@@ -13,7 +13,7 @@
  * Smarty Internal Plugin Resource Stream
  * Implements the streams as resource for Smarty template
  *
- * @link       http://php.net/streams
+ * @link       https://php.net/streams
  * @package    Smarty
  * @subpackage TemplateResources
  */
diff --git a/libs/sysplugins/smarty_internal_templatebase.php b/libs/sysplugins/smarty_internal_templatebase.php
index b8d444e3..06fa965c 100644
--- a/libs/sysplugins/smarty_internal_templatebase.php
+++ b/libs/sysplugins/smarty_internal_templatebase.php
@@ -138,7 +138,7 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
      * test if cache is valid
      *
      * @api  Smarty::isCached()
-     * @link http://www.smarty.net/docs/en/api.is.cached.tpl
+     * @link https://www.smarty.net/docs/en/api.is.cached.tpl
      *
      * @param null|string|\Smarty_Internal_Template $template   the resource handle of the template file or template
      *                                                          object
@@ -201,8 +201,8 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
                 isset($smarty->error_reporting) ? error_reporting($smarty->error_reporting) : null;
 
             if ($smarty->getPHP7CompatMode()) {
-	            $errorHandler = new Smarty_Internal_ErrorHandler();
-	            $errorHandler->activate();
+                $errorHandler = new Smarty_Internal_ErrorHandler();
+                $errorHandler->activate();
             }
 
             if ($this->_objType === 2) {
@@ -250,7 +250,7 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
             }
 
             if (isset($errorHandler)) {
-	            $errorHandler->deactivate();
+                $errorHandler->deactivate();
             }
 
             if (isset($_smarty_old_error_level)) {
@@ -261,13 +261,13 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
             while (ob_get_level() > $level) {
                 ob_end_clean();
             }
-	        if (isset($errorHandler)) {
-		        $errorHandler->deactivate();
-	        }
+            if (isset($errorHandler)) {
+                $errorHandler->deactivate();
+            }
 
-	        if (isset($_smarty_old_error_level)) {
-		        error_reporting($_smarty_old_error_level);
-	        }
+            if (isset($_smarty_old_error_level)) {
+                error_reporting($_smarty_old_error_level);
+            }
             throw $e;
         }
     }
@@ -276,7 +276,7 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
      * Registers plugin to be used in templates
      *
      * @api  Smarty::registerPlugin()
-     * @link http://www.smarty.net/docs/en/api.register.plugin.tpl
+     * @link https://www.smarty.net/docs/en/api.register.plugin.tpl
      *
      * @param string   $type       plugin type
      * @param string   $name       name of template tag
@@ -296,7 +296,7 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
      * load a filter of specified type and name
      *
      * @api  Smarty::loadFilter()
-     * @link http://www.smarty.net/docs/en/api.load.filter.tpl
+     * @link https://www.smarty.net/docs/en/api.load.filter.tpl
      *
      * @param string $type filter type
      * @param string $name filter name
@@ -313,7 +313,7 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
      * Registers a filter function
      *
      * @api  Smarty::registerFilter()
-     * @link http://www.smarty.net/docs/en/api.register.filter.tpl
+     * @link https://www.smarty.net/docs/en/api.register.filter.tpl
      *
      * @param string      $type filter type
      * @param callable    $callback
@@ -331,7 +331,7 @@ abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data
      * Registers object to be used in templates
      *
      * @api  Smarty::registerObject()
-     * @link http://www.smarty.net/docs/en/api.register.object.tpl
+     * @link https://www.smarty.net/docs/en/api.register.object.tpl
      *
      * @param string $object_name
      * @param object $object                     the referenced PHP object to register
diff --git a/libs/sysplugins/smarty_internal_templatecompilerbase.php b/libs/sysplugins/smarty_internal_templatecompilerbase.php
index 54fbf666..6a8dc9c4 100644
--- a/libs/sysplugins/smarty_internal_templatecompilerbase.php
+++ b/libs/sysplugins/smarty_internal_templatecompilerbase.php
@@ -615,11 +615,11 @@ abstract class Smarty_Internal_TemplateCompilerBase
                         $this->trigger_template_error('Illegal number of parameter in "isset()"');
                     }
 
-	                $pa = array();
-	                foreach ($parameter as $p) {
-		                $pa[] = $this->syntaxMatchesVariable($p) ? 'isset(' . $p . ')' : '(' . $p . ' !== null )';
-	                }
-	                return '(' . implode(' && ', $pa) . ')';
+                    $pa = array();
+                    foreach ($parameter as $p) {
+                        $pa[] = $this->syntaxMatchesVariable($p) ? 'isset(' . $p . ')' : '(' . $p . ' !== null )';
+                    }
+                    return '(' . implode(' && ', $pa) . ')';
 
                 } elseif (in_array(
                     $func_name,
@@ -651,16 +651,16 @@ abstract class Smarty_Internal_TemplateCompilerBase
         }
     }
 
-	/**
-	 * Determines whether the passed string represents a valid (PHP) variable.
-	 * This is important, because `isset()` only works on variables and `empty()` can only be passed
-	 * a variable prior to php5.5
-	 * @param $string
-	 * @return bool
-	 */
-	private function syntaxMatchesVariable($string) {
-    	static $regex_pattern = '/^\$[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*((->)[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*|\[.*]*\])*$/';
-    	return 1 === preg_match($regex_pattern, trim($string));
+    /**
+     * Determines whether the passed string represents a valid (PHP) variable.
+     * This is important, because `isset()` only works on variables and `empty()` can only be passed
+     * a variable prior to php5.5
+     * @param $string
+     * @return bool
+     */
+    private function syntaxMatchesVariable($string) {
+        static $regex_pattern = '/^\$[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*((->)[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*|\[.*]*\])*$/';
+        return 1 === preg_match($regex_pattern, trim($string));
     }
 
     /**
@@ -675,11 +675,11 @@ abstract class Smarty_Internal_TemplateCompilerBase
     {
 
         if (strpos($text, '<') === false) {
-        	return preg_replace($this->stripRegEx, '', $text);
+            return preg_replace($this->stripRegEx, '', $text);
         }
 
-	    $store = array();
-	    $_store = 0;
+        $store = array();
+        $_store = 0;
 
         // capture html elements not to be messed with
         $_offset = 0;
diff --git a/tests/UnitTests/ConfigFileTests/defaultHandler/DefaultConfigHandlerTest.php b/tests/UnitTests/ConfigFileTests/defaultHandler/DefaultConfigHandlerTest.php
index 3bf4c4fc..e311c003 100644
--- a/tests/UnitTests/ConfigFileTests/defaultHandler/DefaultConfigHandlerTest.php
+++ b/tests/UnitTests/ConfigFileTests/defaultHandler/DefaultConfigHandlerTest.php
@@ -32,8 +32,8 @@ class DefaultConfigHandlerTest extends PHPUnit_Smarty
      */
     public function testUnknownConfigFile()
     {
-    	$this->expectException('SmartyException');
-    	$this->expectExceptionMessage('Unable to load config \'file:foo.conf\'');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('Unable to load config \'file:foo.conf\'');
         $this->smarty->configLoad('foo.conf');
     }
 
@@ -42,9 +42,9 @@ class DefaultConfigHandlerTest extends PHPUnit_Smarty
      */
     public function testRegisterUnknownDefaultConfigHandler()
     {
-    	$this->expectException('SmartyException');
-	    $this->expectExceptionMessage('Default config handler');
-	    $this->expectExceptionMessage('not callable');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('Default config handler');
+        $this->expectExceptionMessage('not callable');
         $this->smarty->registerDefaultConfigHandler('foo');
     }
 
@@ -76,8 +76,8 @@ class DefaultConfigHandlerTest extends PHPUnit_Smarty
 
     public function testDefaultConfigHandlerReplacementByConfigFileFail()
     {
-    	$this->expectException('SmartyException');
-    	$this->expectExceptionMessage("Unable to load config default file 'no.conf' for 'file:fo.conf'");
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage("Unable to load config default file 'no.conf' for 'file:fo.conf'");
         $this->smarty->registerDefaultConfigHandler('configHandlerFile');
         $this->smarty->configLoad('fo.conf');
         $this->assertEquals("123.4", $this->smarty->fetch('number.tpl'));
@@ -88,8 +88,8 @@ class DefaultConfigHandlerTest extends PHPUnit_Smarty
      */
     public function testDefaultConfigHandlerReplacementReturningFalse()
     {
-    	$this->expectException('SmartyException');
-    	$this->expectExceptionMessage('Unable to load config \'file:foo.conf\'');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('Unable to load config \'file:foo.conf\'');
         $this->smarty->configLoad('foo.conf');
     }
 
@@ -98,8 +98,8 @@ class DefaultConfigHandlerTest extends PHPUnit_Smarty
      */
     public function testDefaultConfigHandlerReplacementReturningFalse1()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('No config default content for \'file:bla.conf\'');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('No config default content for \'file:bla.conf\'');
         $this->smarty->registerDefaultConfigHandler('configHandlerData');
         $this->smarty->configLoad('bla.conf');
     }
diff --git a/tests/UnitTests/ConfigFileTests/file/ConfigVarTest.php b/tests/UnitTests/ConfigFileTests/file/ConfigVarTest.php
index b4f9473d..70287c5d 100644
--- a/tests/UnitTests/ConfigFileTests/file/ConfigVarTest.php
+++ b/tests/UnitTests/ConfigFileTests/file/ConfigVarTest.php
@@ -403,7 +403,7 @@ class ConfigVarTest extends PHPUnit_Smarty
             $this->assertEquals("", $this->smarty->fetch('foo.tpl'));
         }
         catch (Exception $e) {
-	        $this->assertStringStartsWith('Undefined variable', $e->getMessage());
+            $this->assertStringStartsWith('Undefined variable', $e->getMessage());
         }
     }
 }
diff --git a/tests/UnitTests/ResourceTests/Custom/DemoPluginMysql/ResourceMysqlPluginTest.php b/tests/UnitTests/ResourceTests/Custom/DemoPluginMysql/ResourceMysqlPluginTest.php
index 01e42d7b..526e90d0 100644
--- a/tests/UnitTests/ResourceTests/Custom/DemoPluginMysql/ResourceMysqlPluginTest.php
+++ b/tests/UnitTests/ResourceTests/Custom/DemoPluginMysql/ResourceMysqlPluginTest.php
@@ -143,8 +143,8 @@ if (MysqlResourceEnable == true) {
         *
         */
         public function testUnknownTemplate() {
-	        $this->expectException('SmartyException');
-	        $this->expectExceptionMessage('Unable to load template \'mysqlstest:foo.tpl\'');
+            $this->expectException('SmartyException');
+            $this->expectExceptionMessage('Unable to load template \'mysqlstest:foo.tpl\'');
             $this->assertEquals('foo', $this->smarty->fetch('mysqlstest:foo.tpl'));
         }
     }
diff --git a/tests/UnitTests/ResourceTests/File/FileResourceTest.php b/tests/UnitTests/ResourceTests/File/FileResourceTest.php
index 4f31e427..d5633fba 100644
--- a/tests/UnitTests/ResourceTests/File/FileResourceTest.php
+++ b/tests/UnitTests/ResourceTests/File/FileResourceTest.php
@@ -69,10 +69,10 @@ class FileResourceTest extends PHPUnit_Smarty
      */
     public function testTemplateFileNotExists3()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('Unable to');
-	    $this->expectExceptionMessage('notthere.tpl');
-	    $this->smarty->fetch('notthere.tpl');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('Unable to');
+        $this->expectExceptionMessage('notthere.tpl');
+        $this->smarty->fetch('notthere.tpl');
     }
 
     public function testGetTemplateTimestamp()
@@ -108,9 +108,9 @@ class FileResourceTest extends PHPUnit_Smarty
         );
     }
 
-	/**
-	 * @doesNotPerformAssertions
-	 */
+    /**
+     * @doesNotPerformAssertions
+     */
     public function testGetCompiledTimestampPrepare()
     {
         $tpl = $this->smarty->createTemplate('helloworld.tpl');
@@ -143,9 +143,9 @@ class FileResourceTest extends PHPUnit_Smarty
         $this->assertTrue($tpl->mustCompile());
     }
 
-	/**
-	 * @doesNotPerformAssertions
-	 */
+    /**
+     * @doesNotPerformAssertions
+     */
     public function testMustCompileTouchedSourcePrepare()
     {
         // touch to prepare next test
@@ -222,8 +222,8 @@ class FileResourceTest extends PHPUnit_Smarty
      */
     public function testRelativeIncludeFail()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('Unable to');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('Unable to');
         $this->smarty->fetch('relative_sub.tpl');
     }
     /**
@@ -234,8 +234,8 @@ class FileResourceTest extends PHPUnit_Smarty
      */
     public function testRelativeIncludeFailOtherDir()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('./hello.tpl');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('./hello.tpl');
         $this->smarty->addTemplateDir('./templates_2');
         $this->smarty->fetch('relative_notexist.tpl');
      }
diff --git a/tests/UnitTests/ResourceTests/Registered/RegisteredResourceTest.php b/tests/UnitTests/ResourceTests/Registered/RegisteredResourceTest.php
index 41143605..d42786cb 100644
--- a/tests/UnitTests/ResourceTests/Registered/RegisteredResourceTest.php
+++ b/tests/UnitTests/ResourceTests/Registered/RegisteredResourceTest.php
@@ -84,48 +84,48 @@ class RegisteredResourceTest extends PHPUnit_Smarty
 
 class RegisteredResourceTest_Resource1 extends Smarty_Resource_Custom {
 
-	protected function fetch($name, &$source, &$mtime) {
-		$source = '{$x="hello world"}{$x}';
-		$mtime = 1000000000;
-	}
+    protected function fetch($name, &$source, &$mtime) {
+        $source = '{$x="hello world"}{$x}';
+        $mtime = 1000000000;
+    }
 
 }
 
 class RegisteredResourceTest_Resource2 extends Smarty_Resource_Custom {
 
-	protected function fetch($name, &$source, &$mtime) {
+    protected function fetch($name, &$source, &$mtime) {
 
-		// we update a counter, so that we return a new source for every call
-		static $counter = 0;
-		$counter ++;
+        // we update a counter, so that we return a new source for every call
+        static $counter = 0;
+        $counter ++;
 
-		// construct a new source
-		$source = "this is template $counter";
+        // construct a new source
+        $source = "this is template $counter";
 
-		$mtime = 1000000000;
-	}
+        $mtime = 1000000000;
+    }
 
-	protected function fetchTimestamp($name)
-	{
-		return 1000000000;
-	}
+    protected function fetchTimestamp($name)
+    {
+        return 1000000000;
+    }
 
 }
 
 class RegisteredResourceTest_Resource3 extends Smarty_Resource_Custom {
 
-	protected function fetch($name, &$source, &$mtime) {
-		$source = 'template = {$smarty.template}';
-		$mtime = 1000000000;
-	}
+    protected function fetch($name, &$source, &$mtime) {
+        $source = 'template = {$smarty.template}';
+        $mtime = 1000000000;
+    }
 
 }
 
 class RegisteredResourceTest_Resource4 extends Smarty_Resource_Custom {
 
-	protected function fetch($name, &$source, &$mtime) {
-		$source = 'current_dir = {$smarty.current_dir}';
-		$mtime = 1000000000;
-	}
+    protected function fetch($name, &$source, &$mtime) {
+        $source = 'current_dir = {$smarty.current_dir}';
+        $mtime = 1000000000;
+    }
 
 }
diff --git a/tests/UnitTests/ResourceTests/ResourcePlugins/PHPunitplugins/resource.db.php b/tests/UnitTests/ResourceTests/ResourcePlugins/PHPunitplugins/resource.db.php
index 93e94401..668b83da 100644
--- a/tests/UnitTests/ResourceTests/ResourcePlugins/PHPunitplugins/resource.db.php
+++ b/tests/UnitTests/ResourceTests/ResourcePlugins/PHPunitplugins/resource.db.php
@@ -12,14 +12,14 @@
 
 class Smarty_Resource_Db extends Smarty_Resource_Recompiled {
 
-	public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null) {
-		$source->filepath = 'db:';
-		$source->uid = sha1($source->resource);
-		$source->timestamp = 1000000000;
-		$source->exists = true;
-	}
+    public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null) {
+        $source->filepath = 'db:';
+        $source->uid = sha1($source->resource);
+        $source->timestamp = 1000000000;
+        $source->exists = true;
+    }
 
-	public function getContent(Smarty_Template_Source $source) {
-		return '{$x="hello world"}{$x}';
-	}
+    public function getContent(Smarty_Template_Source $source) {
+        return '{$x="hello world"}{$x}';
+    }
 }
diff --git a/tests/UnitTests/ResourceTests/Stream/StreamResourceTest.php b/tests/UnitTests/ResourceTests/Stream/StreamResourceTest.php
index 1c422351..6d0201bd 100644
--- a/tests/UnitTests/ResourceTests/Stream/StreamResourceTest.php
+++ b/tests/UnitTests/ResourceTests/Stream/StreamResourceTest.php
@@ -146,8 +146,8 @@ class StreamResourceTest extends PHPUnit_Smarty
 
     public function testTemplateStramNotExists3()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('\'global:notthere\'');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('\'global:notthere\'');
         $this->smarty->fetch('global:notthere');
     }
 
diff --git a/tests/UnitTests/SecurityTests/SecurityTest.php b/tests/UnitTests/SecurityTests/SecurityTest.php
index 27987c63..dac8c81c 100644
--- a/tests/UnitTests/SecurityTests/SecurityTest.php
+++ b/tests/UnitTests/SecurityTests/SecurityTest.php
@@ -62,8 +62,8 @@ class SecurityTest extends PHPUnit_Smarty
   */
     public function testNotTrustedPHPFunction()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('PHP function \'count\' not allowed by security setting');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('PHP function \'count\' not allowed by security setting');
         $this->smarty->security_policy->php_functions = array('null');
         $this->smarty->fetch('string:{assign var=foo value=[1,2,3,4,5]}{count($foo)}');
     }
@@ -93,8 +93,8 @@ class SecurityTest extends PHPUnit_Smarty
  */
     public function testNotTrustedModifier()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('modifier \'count\' not allowed by security setting');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('modifier \'count\' not allowed by security setting');
         $this->smarty->security_policy->php_modifiers = array('null');
         $this->smarty->fetch('string:{assign var=foo value=[1,2,3,4,5]}{$foo|@count}');
     }
@@ -125,8 +125,8 @@ class SecurityTest extends PHPUnit_Smarty
  */
     public function testNotAllowedTags2()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('tag \'cycle\' not allowed by security setting');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('tag \'cycle\' not allowed by security setting');
         $this->smarty->security_policy->allowed_tags = array('counter');
         $this->smarty->fetch('string:{counter}{cycle values="1,2"}');
     }
@@ -138,8 +138,8 @@ class SecurityTest extends PHPUnit_Smarty
  */
     public function testDisabledTags()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('tag \'cycle\' disabled by security setting');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('tag \'cycle\' disabled by security setting');
         $this->smarty->security_policy->disabled_tags = array('cycle');
         $this->smarty->fetch('string:{counter}{cycle values="1,2"}');
     }
@@ -168,8 +168,8 @@ class SecurityTest extends PHPUnit_Smarty
   */
     public function testNotAllowedModifier()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('modifier \'lower\' not allowed by security setting');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('modifier \'lower\' not allowed by security setting');
         $this->smarty->security_policy->allowed_modifiers = array('upper');
         $this->smarty->fetch('string:{"hello"|upper}{"world"|lower}');
     }
@@ -181,8 +181,8 @@ class SecurityTest extends PHPUnit_Smarty
   */
     public function testDisabledModifier()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('modifier \'lower\' disabled by security setting');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('modifier \'lower\' disabled by security setting');
         $this->smarty->security_policy->disabled_modifiers = array('lower');
         $this->smarty->fetch('string:{"hello"|upper}{"world"|lower}');
     }
@@ -196,15 +196,15 @@ class SecurityTest extends PHPUnit_Smarty
         $this->assertEquals('<?php echo "hello world"; ?>', $this->smarty->fetch('string:<?php echo "hello world"; ?>'));
     }
 
-	public function testSmartyPhpAllow2()
-	{
-		$this->assertEquals('<? echo "hello world"; ?>', $this->smarty->fetch('string:<? echo "hello world"; ?>'));
-	}
+    public function testSmartyPhpAllow2()
+    {
+        $this->assertEquals('<? echo "hello world"; ?>', $this->smarty->fetch('string:<? echo "hello world"; ?>'));
+    }
 
-	public function testSmartyPhpAllow3()
-	{
-		$this->assertEquals('<% echo "hello world"; %>', $this->smarty->fetch('string:<% echo "hello world"; %>'));
-	}
+    public function testSmartyPhpAllow3()
+    {
+        $this->assertEquals('<% echo "hello world"; %>', $this->smarty->fetch('string:<% echo "hello world"; %>'));
+    }
 
 /**
  * test standard directory
@@ -232,8 +232,8 @@ class SecurityTest extends PHPUnit_Smarty
   */
     public function testNotTrustedDirectory()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('not trusted file path');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('not trusted file path');
         $this->smarty->security_policy->secure_dir = array(str_replace('\\', '/', dirname(__FILE__) . '/templates_3/'));
         $this->smarty->fetch('string:{include file="templates_2/hello.tpl"}');
      }
@@ -264,8 +264,8 @@ class SecurityTest extends PHPUnit_Smarty
   */
     public function testNotTrustedStaticClass()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('access to static class \'mysecuritystaticclass\' not allowed by security setting');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('access to static class \'mysecuritystaticclass\' not allowed by security setting');
         $this->smarty->security_policy->static_classes = array('null');
         $this->smarty->fetch('string:{mysecuritystaticclass::square(5)}');
     }
@@ -307,8 +307,8 @@ class SecurityTest extends PHPUnit_Smarty
  */
     public function testTemplateNotTrustedStream()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('stream \'global\' not allowed by security setting');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('stream \'global\' not allowed by security setting');
         stream_wrapper_register("global", "ResourceStreamSecurity")
         or die("Failed to register protocol");
         $fp = fopen("global://mytest", "r+");
@@ -336,8 +336,8 @@ class SecurityTest extends PHPUnit_Smarty
 */
     public function testNotTrustedUri()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('URI \'https://www.smarty.net/docs/en/preface.tpl\' not allowed by security setting');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('URI \'https://www.smarty.net/docs/en/preface.tpl\' not allowed by security setting');
         $this->smarty->security_policy->trusted_uri = array();
         $this->assertStringContainsString('<title>Preface | Smarty</title>', $this->smarty->fetch('string:{fetch file="https://www.smarty.net/docs/en/preface.tpl"}'));
     }
diff --git a/tests/UnitTests/TemplateSource/TagTests/BlockPlugin/CompileBlockPluginTest.php b/tests/UnitTests/TemplateSource/TagTests/BlockPlugin/CompileBlockPluginTest.php
index 8af33e45..4a0480ec 100644
--- a/tests/UnitTests/TemplateSource/TagTests/BlockPlugin/CompileBlockPluginTest.php
+++ b/tests/UnitTests/TemplateSource/TagTests/BlockPlugin/CompileBlockPluginTest.php
@@ -50,8 +50,8 @@ class CompileBlockPluginTest extends PHPUnit_Smarty
      */
     public function testBlockPluginUnknown()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('unknown tag \'bar\'');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('unknown tag \'bar\'');
         $this->assertEquals("hello world", $this->smarty->fetch('unknown.tpl'));
     }
 
@@ -76,8 +76,8 @@ class CompileBlockPluginTest extends PHPUnit_Smarty
      */
     public function testBlockPluginRegisteredFunction2()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('block tag \'blockplugintest\' not callable');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('block tag \'blockplugintest\' not callable');
         $this->assertEquals('block test', $this->smarty->fetch('registered.tpl'));
     }
 
@@ -103,8 +103,8 @@ class CompileBlockPluginTest extends PHPUnit_Smarty
      */
     public function testBlockPluginRegisteredStatic2()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('block tag \'blockpluginstatic\' not callable');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('block tag \'blockpluginstatic\' not callable');
         $this->assertEquals('static block test', $this->smarty->fetch('registered_static.tpl'));
     }
 
@@ -130,8 +130,8 @@ class CompileBlockPluginTest extends PHPUnit_Smarty
      */
     public function testBlockPluginRegisteredMethod2()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('block tag \'blockpluginmethod\' not callable');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('block tag \'blockpluginmethod\' not callable');
         $this->assertEquals('method block test', $this->smarty->fetch('registered_method.tpl'));
     }
 
@@ -157,8 +157,8 @@ class CompileBlockPluginTest extends PHPUnit_Smarty
      */
     public function testBlockPluginRegisteredObject2()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('block tag \'myobject\' not callable');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('block tag \'myobject\' not callable');
         $this->assertEquals('object block test', $this->smarty->fetch('registered_object.tpl'));
     }
 
diff --git a/tests/UnitTests/TemplateSource/TagTests/BockExtend/CompileBlockExtendsTest.php b/tests/UnitTests/TemplateSource/TagTests/BockExtend/CompileBlockExtendsTest.php
index 93b81618..fa736f31 100644
--- a/tests/UnitTests/TemplateSource/TagTests/BockExtend/CompileBlockExtendsTest.php
+++ b/tests/UnitTests/TemplateSource/TagTests/BockExtend/CompileBlockExtendsTest.php
@@ -755,8 +755,8 @@ class CompileBlockExtendsTest extends PHPUnit_Smarty
      */
     public function testSmartyBlockChildOutsideBlock_025()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('\'{$smarty.block.child}\' used outside {block} tags');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('\'{$smarty.block.child}\' used outside {block} tags');
         $this->smarty->fetch('025_parent.tpl');
     }
 
@@ -765,8 +765,8 @@ class CompileBlockExtendsTest extends PHPUnit_Smarty
      */
     public function testSmartyBlockParentOutsideBlock_026()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('\'{$smarty.block.parent}\' used outside {block} tags');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('\'{$smarty.block.parent}\' used outside {block} tags');
         $this->smarty->fetch('026_child.tpl');
     }
 
@@ -775,8 +775,8 @@ class CompileBlockExtendsTest extends PHPUnit_Smarty
      */
     public function testSmartyBlockParentInParent_027()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('illegal \'{$smarty.block.parent}\'');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('illegal \'{$smarty.block.parent}\'');
         $this->smarty->fetch('027_parent.tpl');
     }
 
@@ -1145,8 +1145,8 @@ class CompileBlockExtendsTest extends PHPUnit_Smarty
      */
     public function testSmartyBlockWrongBlockName_036()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('$smarty.block is not defined');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('$smarty.block is not defined');
         $this->smarty->fetch('036_parent.tpl');
     }
     /**
@@ -1154,8 +1154,8 @@ class CompileBlockExtendsTest extends PHPUnit_Smarty
      */
     public function testSmartyParentBlockCalledInParent_036_1()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('inheritance: illegal \'{$smarty.block.parent}\' used in child template');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('inheritance: illegal \'{$smarty.block.parent}\' used in child template');
         $this->smarty->fetch('036_1_parent.tpl');
     }
     /**
@@ -1163,8 +1163,8 @@ class CompileBlockExtendsTest extends PHPUnit_Smarty
      */
     public function testSmartyParentBlockCalledInParent_036_2()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('inheritance: illegal \'{block_parent}\' used in child template');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('inheritance: illegal \'{block_parent}\' used in child template');
         $this->smarty->fetch('036_2_parent.tpl');
     }
     /**
@@ -1172,8 +1172,8 @@ class CompileBlockExtendsTest extends PHPUnit_Smarty
      */
     public function testSmartyParentBlockCalledInParent_036_3()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('inheritance: illegal \'{parent}\' used in child template');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('inheritance: illegal \'{parent}\' used in child template');
         $this->smarty->fetch('036_3_parent.tpl');
     }
 
@@ -1182,8 +1182,8 @@ class CompileBlockExtendsTest extends PHPUnit_Smarty
      */
     public function testSmartyBlockMissigBlockName_037()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('$smarty.block is not defined');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('$smarty.block is not defined');
         $this->smarty->fetch('037_parent.tpl');
     }
 
diff --git a/tests/UnitTests/TemplateSource/TagTests/ConfigLoad/CompileConfigLoadTest.php b/tests/UnitTests/TemplateSource/TagTests/ConfigLoad/CompileConfigLoadTest.php
index 3dca1773..f3d800a2 100644
--- a/tests/UnitTests/TemplateSource/TagTests/ConfigLoad/CompileConfigLoadTest.php
+++ b/tests/UnitTests/TemplateSource/TagTests/ConfigLoad/CompileConfigLoadTest.php
@@ -165,8 +165,8 @@ class CompileConfigLoadTest extends PHPUnit_Smarty
      */
     public function testConfigSyntaxError_009()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('Syntax error in config file');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('Syntax error in config file');
         $this->smarty->fetch('009_error.tpl');
     }
 }
diff --git a/tests/UnitTests/TemplateSource/TagTests/Delimiter/CompileDelimiterTest.php b/tests/UnitTests/TemplateSource/TagTests/Delimiter/CompileDelimiterTest.php
index c304fa77..2efd06f6 100644
--- a/tests/UnitTests/TemplateSource/TagTests/Delimiter/CompileDelimiterTest.php
+++ b/tests/UnitTests/TemplateSource/TagTests/Delimiter/CompileDelimiterTest.php
@@ -43,8 +43,8 @@ class CompileDelimiterTest extends PHPUnit_Smarty
 
     public function testLeftDelimiterError()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('nocache option not allowed');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('nocache option not allowed');
         $tpl = $this->smarty->createTemplate('string:x{ldelim nocache}x');
         $this->assertEquals('x{x', $this->smarty->fetch($tpl));
     }
diff --git a/tests/UnitTests/TemplateSource/TagTests/Foreach/CompileForeachTest.php b/tests/UnitTests/TemplateSource/TagTests/Foreach/CompileForeachTest.php
index 7b181e0d..845b6986 100644
--- a/tests/UnitTests/TemplateSource/TagTests/Foreach/CompileForeachTest.php
+++ b/tests/UnitTests/TemplateSource/TagTests/Foreach/CompileForeachTest.php
@@ -94,9 +94,9 @@ class CompileForeachTest extends PHPUnit_Smarty
             array('{foreach item=x from=$foo}{$x}{foreachelse}else{/foreach}{if $x@show}-show{else}-noshow{/if}', array(), 'else-noshow', '', $i ++),
             array('{foreach $foo x y foo}{$y}.{$x},{foreachelse}else{/foreach}total{$smarty.foreach.foo.total}', array(9,10,11), '0.9,1.10,2.11,total3', '', $i ++),
             array('{$x = "hallo"}{$bar=[1,2,3]}{foreach $foo as $x}outer={$x@index}.{$x}#{foreach $bar as $x}inner={$x@index}.{$x}{/foreach}##{/foreach}###{$x}', array(9,10,11), 'outer=0.9#inner=0.1inner=1.2inner=2.3##outer=1.10#inner=0.1inner=1.2inner=2.3##outer=2.11#inner=0.1inner=1.2inner=2.3#####hallo', '', $i ++),
-	        array('{foreach $foo as $x}{$x}{foreachelse}else{/foreach}', null, 'else', '', $i ++),
-	        array('{foreach $foo as $x}{$x}{foreachelse}else{/foreach}', array(), 'else', '', $i ++),
-	        array('{foreach $foo as $x}{$x}{foreachelse}else{/foreach}', new \ArrayIterator(), 'else', '', $i ++),
+            array('{foreach $foo as $x}{$x}{foreachelse}else{/foreach}', null, 'else', '', $i ++),
+            array('{foreach $foo as $x}{$x}{foreachelse}else{/foreach}', array(), 'else', '', $i ++),
+            array('{foreach $foo as $x}{$x}{foreachelse}else{/foreach}', new \ArrayIterator(), 'else', '', $i ++),
         );
     }
 
diff --git a/tests/UnitTests/TemplateSource/TagTests/Insert/PHPunitplugins/insert.test2.php b/tests/UnitTests/TemplateSource/TagTests/Insert/PHPunitplugins/insert.test2.php
index bfc35e12..75f3ccb8 100644
--- a/tests/UnitTests/TemplateSource/TagTests/Insert/PHPunitplugins/insert.test2.php
+++ b/tests/UnitTests/TemplateSource/TagTests/Insert/PHPunitplugins/insert.test2.php
@@ -2,5 +2,5 @@
 
 function smarty_insert_test2($params, $smarty) {
 
-	return $smarty->tpl_vars[$params['var']]->value;
+    return $smarty->tpl_vars[$params['var']]->value;
 }
diff --git a/tests/UnitTests/TemplateSource/TagTests/PluginFunction/PluginFunctionFetchTest.php b/tests/UnitTests/TemplateSource/TagTests/PluginFunction/PluginFunctionFetchTest.php
index c09a26ed..f4de02c6 100644
--- a/tests/UnitTests/TemplateSource/TagTests/PluginFunction/PluginFunctionFetchTest.php
+++ b/tests/UnitTests/TemplateSource/TagTests/PluginFunction/PluginFunctionFetchTest.php
@@ -45,8 +45,8 @@ class PluginFunctionFetchTest extends PHPUnit_Smarty
 */
   public function testFetchInvalidUri()
   {
-	  $this->expectException('SmartyException');
-	  $this->expectExceptionMessage('{fetch} cannot read resource \'https://foo.smarty.net/foo.dat\'');
+      $this->expectException('SmartyException');
+      $this->expectExceptionMessage('{fetch} cannot read resource \'https://foo.smarty.net/foo.dat\'');
       $this->smarty->fetch('string:{fetch file="https://foo.smarty.net/foo.dat"}');
   }
 
@@ -58,8 +58,8 @@ class PluginFunctionFetchTest extends PHPUnit_Smarty
   */
   public function testFetchSecurity()
   {
-	  $this->expectException('SmartyException');
-	  $this->expectExceptionMessage('not trusted file path');
+      $this->expectException('SmartyException');
+      $this->expectExceptionMessage('not trusted file path');
       $this->cleanDirs();
       $dir=$this->smarty->getTemplateDir();
       $this->smarty->enableSecurity();
@@ -73,8 +73,8 @@ class PluginFunctionFetchTest extends PHPUnit_Smarty
   */
   public function testFetchSecurity2()
   {
-	  $this->expectException('SmartyException');
-	  $this->expectExceptionMessage('not trusted file path');
+      $this->expectException('SmartyException');
+      $this->expectExceptionMessage('not trusted file path');
       $this->cleanDirs();
       $this->smarty->getTemplateDir();
       $this->smarty->enableSecurity();
diff --git a/tests/UnitTests/TemplateSource/TagTests/PluginFunction/PluginFunctionHtmlCheckboxesTest.php b/tests/UnitTests/TemplateSource/TagTests/PluginFunction/PluginFunctionHtmlCheckboxesTest.php
index ee277d5f..e388c5e7 100644
--- a/tests/UnitTests/TemplateSource/TagTests/PluginFunction/PluginFunctionHtmlCheckboxesTest.php
+++ b/tests/UnitTests/TemplateSource/TagTests/PluginFunction/PluginFunctionHtmlCheckboxesTest.php
@@ -285,7 +285,7 @@ class PluginFunctionHtmlCheckboxesTest extends PHPUnit_Smarty
         $this->_errors = array();
         set_error_handler(array($this, 'error_handler'));
 
-	    $this->smarty->setPHP7CompatMode();
+        $this->smarty->setPHP7CompatMode();
         $tpl = $this->smarty->createTemplate('eval:{html_checkboxes name="id" options=$cust_radios selected=$customer_id separator="<br />"}');
         $tpl->assign('customer_id', new _object_noString(1001));
         $tpl->assign('cust_radios', array(
diff --git a/tests/UnitTests/TemplateSource/TagTests/PluginModifier/PluginModifierDefaultTest.php b/tests/UnitTests/TemplateSource/TagTests/PluginModifier/PluginModifierDefaultTest.php
index cfcd5251..34bc7f50 100644
--- a/tests/UnitTests/TemplateSource/TagTests/PluginModifier/PluginModifierDefaultTest.php
+++ b/tests/UnitTests/TemplateSource/TagTests/PluginModifier/PluginModifierDefaultTest.php
@@ -20,11 +20,11 @@ class PluginModifierDefaultTest extends PHPUnit_Smarty
         $this->setUpSmarty(dirname(__FILE__));
     }
 
-	public function testDefault()
-	{
-		$tpl = $this->smarty->createTemplate('string:{$array.a.b|default:$array.c:\'defaultval\'}');
+    public function testDefault()
+    {
+        $tpl = $this->smarty->createTemplate('string:{$array.a.b|default:$array.c:\'defaultval\'}');
 
-		$this->smarty->assign('array', []);
-		$this->assertEquals('defaultval', $this->smarty->fetch($tpl));
-	}
+        $this->smarty->assign('array', []);
+        $this->assertEquals('defaultval', $this->smarty->fetch($tpl));
+    }
 }
diff --git a/tests/UnitTests/TemplateSource/TagTests/_Attributes/AttributeTest.php b/tests/UnitTests/TemplateSource/TagTests/_Attributes/AttributeTest.php
index 1cc845e9..ad81d673 100644
--- a/tests/UnitTests/TemplateSource/TagTests/_Attributes/AttributeTest.php
+++ b/tests/UnitTests/TemplateSource/TagTests/_Attributes/AttributeTest.php
@@ -32,8 +32,8 @@ class AttributeTest extends PHPUnit_Smarty
      */
     public function testRequiredAttributeVar()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('missing \'var\' attribute');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('missing \'var\' attribute');
         $this->smarty->fetch('string:{assign value=1}');
     }
 
@@ -42,8 +42,8 @@ class AttributeTest extends PHPUnit_Smarty
      */
     public function testUnexpectedAttribute()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('unexpected \'bar\' attribute');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('unexpected \'bar\' attribute');
         $this->smarty->fetch('string:{assign var=foo value=1 bar=2}');
     }
 
@@ -52,9 +52,9 @@ class AttributeTest extends PHPUnit_Smarty
      */
     public function testIllegalOptionValue()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('for option flag \'nocache\'');
-	    $this->expectExceptionMessage('illegal value');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('for option flag \'nocache\'');
+        $this->expectExceptionMessage('illegal value');
         $this->smarty->fetch('string:{assign var=foo value=1 nocache=buh}');
     }
 
@@ -63,8 +63,8 @@ class AttributeTest extends PHPUnit_Smarty
      */
     public function testTooManyShorthands()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('too many shorthand attributes');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('too many shorthand attributes');
         $this->smarty->fetch('string:{assign foo 1 2}');
     }
 
diff --git a/tests/UnitTests/TemplateSource/TagTests/_Error/CompileErrorTest.php b/tests/UnitTests/TemplateSource/TagTests/_Error/CompileErrorTest.php
index 59a4b8f7..2f50ea31 100644
--- a/tests/UnitTests/TemplateSource/TagTests/_Error/CompileErrorTest.php
+++ b/tests/UnitTests/TemplateSource/TagTests/_Error/CompileErrorTest.php
@@ -30,8 +30,8 @@ class CompileErrorTest extends PHPUnit_Smarty
      */
     public function testNoneExistingTemplateError()
     {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('no.tpl');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('no.tpl');
         $this->smarty->fetch('eval:{include file=\'no.tpl\'}');
     }
 
@@ -40,8 +40,8 @@ class CompileErrorTest extends PHPUnit_Smarty
      */
     public function testUnknownTagError()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('unknown tag \'unknown\'');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('unknown tag \'unknown\'');
         $this->smarty->fetch('eval:{unknown}');
     }
 
@@ -50,8 +50,8 @@ class CompileErrorTest extends PHPUnit_Smarty
      */
     public function testUnclosedTagError()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('unclosed {if} tag');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('unclosed {if} tag');
         $this->smarty->fetch('eval:{if true}');
     }
 
@@ -60,8 +60,8 @@ class CompileErrorTest extends PHPUnit_Smarty
      */
     public function testSyntaxError()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('Unexpected "}"');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('Unexpected "}"');
         $this->smarty->fetch('eval:{assign var=}');
     }
 }
diff --git a/tests/UnitTests/TemplateSource/ValueTests/DoubleQuoted/DoubleQuotedStringTest.php b/tests/UnitTests/TemplateSource/ValueTests/DoubleQuoted/DoubleQuotedStringTest.php
index 646dd115..653c2691 100644
--- a/tests/UnitTests/TemplateSource/ValueTests/DoubleQuoted/DoubleQuotedStringTest.php
+++ b/tests/UnitTests/TemplateSource/ValueTests/DoubleQuoted/DoubleQuotedStringTest.php
@@ -84,8 +84,8 @@ class DoubleQuotedStringTest extends PHPUnit_Smarty
      */
     public function testDoubleQuotedUnclosedBlock_001()
     {
-	    $this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('unclosed \'{if}\' in doubled quoted string');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('unclosed \'{if}\' in doubled quoted string');
         $this->smarty->fetch('001_unclosedBlock.tpl');
     }
 
diff --git a/tests/UnitTests/TemplateSource/ValueTests/Modifier/ModifierTest.php b/tests/UnitTests/TemplateSource/ValueTests/Modifier/ModifierTest.php
index 7c2d73c3..6578550f 100644
--- a/tests/UnitTests/TemplateSource/ValueTests/Modifier/ModifierTest.php
+++ b/tests/UnitTests/TemplateSource/ValueTests/Modifier/ModifierTest.php
@@ -100,8 +100,8 @@ class ModifierTest extends PHPUnit_Smarty
      */
     public function testUnknownModifier()
     {
-    	$this->expectException('SmartyCompilerException');
-	    $this->expectExceptionMessage('unknown modifier \'unknown\'');
+        $this->expectException('SmartyCompilerException');
+        $this->expectExceptionMessage('unknown modifier \'unknown\'');
         $this->smarty->fetch('eval:{"hello world"|unknown}');
     }
 
diff --git a/tests/UnitTests/TemplateSource/ValueTests/PHPfunctions/PhpFunctionTest.php b/tests/UnitTests/TemplateSource/ValueTests/PHPfunctions/PhpFunctionTest.php
index fd32caf5..c8f0f9ea 100644
--- a/tests/UnitTests/TemplateSource/ValueTests/PHPfunctions/PhpFunctionTest.php
+++ b/tests/UnitTests/TemplateSource/ValueTests/PHPfunctions/PhpFunctionTest.php
@@ -146,56 +146,56 @@ class PhpFunctionTest extends PHPUnit_Smarty
         '));
     }
 
-	/**
-	 * test PHP isset() on (non-)variables
-	 * @dataProvider        dataTestIsset3
-	 * @param string $strTemplate template to test
-	 * @param string $result expected result
-	 */
-	public function testIsset3($strTemplate, $result)
-	{
-		$this->smarty->disableSecurity();
+    /**
+     * test PHP isset() on (non-)variables
+     * @dataProvider        dataTestIsset3
+     * @param string $strTemplate template to test
+     * @param string $result expected result
+     */
+    public function testIsset3($strTemplate, $result)
+    {
+        $this->smarty->disableSecurity();
 
-		$this->smarty->assign('varobject', new TestIsset());
-		$this->smarty->assign('vararray', $vararray = array(
-			'keythatexists' => false,
-			'keywitharray' => array(1 => 1),
-			'keywithobject' => new TestIsset()
-		));
+        $this->smarty->assign('varobject', new TestIsset());
+        $this->smarty->assign('vararray', $vararray = array(
+            'keythatexists' => false,
+            'keywitharray' => array(1 => 1),
+            'keywithobject' => new TestIsset()
+        ));
 
-		$this->smarty->assign('key', 'A');
-		$this->smarty->assign('_varsimpleA', 1);
-		$this->smarty->assign('varsimpleB', 0);
-		$this->smarty->assign('varsimpleC', null);
+        $this->smarty->assign('key', 'A');
+        $this->smarty->assign('_varsimpleA', 1);
+        $this->smarty->assign('varsimpleB', 0);
+        $this->smarty->assign('varsimpleC', null);
 
-		$this->assertEquals($result, $this->smarty->fetch('string:' . $strTemplate));
-	}
+        $this->assertEquals($result, $this->smarty->fetch('string:' . $strTemplate));
+    }
 
-	/**
-	 * Data provider for testIsset3
-	 */
-	public function dataTestIsset3()
-	{
-		return array(
-			array('{if isset($varobject->arr)}true{else}false{/if}', 'true'),
-			array('{if isset($vararray["keywitharray"])}true{else}false{/if}', 'true'),
-			array('{if isset($vararray["keythatexists"])}true{else}false{/if}', 'true'),
-			array('{if isset($vararray["nonexistingkey"])}true{else}false{/if}', 'false'),
-			array('{if isset($_GET["sscr6hr6cz34j6"])}true{else}false{/if}', 'false'),
-			array('{if isset(count([\'hi\']))}true{else}false{/if}', 'true'),
-			array('{if isset($vararray[\'keywitharray\'][intval(\'1\')])}true{else}false{/if}', 'true'),
-			array('{if isset($vararray[\'keywithobject\']->arr[\'isSet\'])}true{else}false{/if}', 'true'),
-			array('{if isset($vararray[\'keywithobject\']->arr[\'isNull\'])}true{else}false{/if}', 'false'),
-			array('{if isset($varobject->arr[\'isSet\'])}true{else}false{/if}', 'true'),
-			array('{if isset($varobject->arr[\'isNull\'])}true{else}false{/if}', 'false'),
-			array('{if isset($_varsimpleA)}true{else}false{/if}', 'true'),
-			array('{if isset($varsimpleB)}true{else}false{/if}', 'true'),
-			array('{if isset($varsimpleC)}true{else}false{/if}', 'false'),
-			array('{if isset($_varsimpleA && varsimpleB)}true{else}false{/if}', 'true'),
-			array('{if isset($_varsimpleA && varsimpleC)}true{else}false{/if}', 'true'),
-			array('{if isset($_varsimple{$key})}true{else}false{/if}', 'true'),
-		);
-	}
+    /**
+     * Data provider for testIsset3
+     */
+    public function dataTestIsset3()
+    {
+        return array(
+            array('{if isset($varobject->arr)}true{else}false{/if}', 'true'),
+            array('{if isset($vararray["keywitharray"])}true{else}false{/if}', 'true'),
+            array('{if isset($vararray["keythatexists"])}true{else}false{/if}', 'true'),
+            array('{if isset($vararray["nonexistingkey"])}true{else}false{/if}', 'false'),
+            array('{if isset($_GET["sscr6hr6cz34j6"])}true{else}false{/if}', 'false'),
+            array('{if isset(count([\'hi\']))}true{else}false{/if}', 'true'),
+            array('{if isset($vararray[\'keywitharray\'][intval(\'1\')])}true{else}false{/if}', 'true'),
+            array('{if isset($vararray[\'keywithobject\']->arr[\'isSet\'])}true{else}false{/if}', 'true'),
+            array('{if isset($vararray[\'keywithobject\']->arr[\'isNull\'])}true{else}false{/if}', 'false'),
+            array('{if isset($varobject->arr[\'isSet\'])}true{else}false{/if}', 'true'),
+            array('{if isset($varobject->arr[\'isNull\'])}true{else}false{/if}', 'false'),
+            array('{if isset($_varsimpleA)}true{else}false{/if}', 'true'),
+            array('{if isset($varsimpleB)}true{else}false{/if}', 'true'),
+            array('{if isset($varsimpleC)}true{else}false{/if}', 'false'),
+            array('{if isset($_varsimpleA && varsimpleB)}true{else}false{/if}', 'true'),
+            array('{if isset($_varsimpleA && varsimpleC)}true{else}false{/if}', 'true'),
+            array('{if isset($_varsimple{$key})}true{else}false{/if}', 'true'),
+        );
+    }
 }
 
 /**
diff --git a/tests/UnitTests/TemplateSource/ValueTests/SmartySpecialVars/Error/SmartyErrorTest.php b/tests/UnitTests/TemplateSource/ValueTests/SmartySpecialVars/Error/SmartyErrorTest.php
index 7814736a..07ba2677 100644
--- a/tests/UnitTests/TemplateSource/ValueTests/SmartySpecialVars/Error/SmartyErrorTest.php
+++ b/tests/UnitTests/TemplateSource/ValueTests/SmartySpecialVars/Error/SmartyErrorTest.php
@@ -28,8 +28,8 @@ class SmartyErrorTest extends PHPUnit_Smarty
      * test undefined Smarty special variable
      */
     public function testSmartyError() {
-	    $this->expectException('SmartyException');
-	    $this->expectExceptionMessage('$smarty.foo is not defined');
+        $this->expectException('SmartyException');
+        $this->expectExceptionMessage('$smarty.foo is not defined');
         $this->assertEquals(Smarty::SMARTY_VERSION, $this->smarty->fetch('error.tpl'));
     }
  }
diff --git a/tests/UnitTests/TemplateSource/X_Scopes/ScopeTest.php b/tests/UnitTests/TemplateSource/X_Scopes/ScopeTest.php
index e0dee6a6..c24ec2b3 100644
--- a/tests/UnitTests/TemplateSource/X_Scopes/ScopeTest.php
+++ b/tests/UnitTests/TemplateSource/X_Scopes/ScopeTest.php
@@ -291,9 +291,9 @@ class ScopeTest extends PHPUnit_Smarty
                            'no  smarty', $i ++,),);
     }
 
-	/**
-	 * @doesNotPerformAssertions
-	 */
+    /**
+     * @doesNotPerformAssertions
+     */
     public function testFunctionScope()
     {
         $this->smarty->assign('scope', 'none');