replace functions deprecated in PHP 7.2

* {math} replace wrong versiom https://github.com/smarty-php/smarty/issues/265

.gitattributes

@@ -1,7 +1,11 @@
-* text=auto !eol
-docs/chm/make_chm_spc.gif -text
-docs/fop/thryb.ttf -text
-docs/fop/thrybi.ttf -text
-docs/fop/thryi.ttf -text
-docs/fop/thryn.ttf -text
-misc/smarty_icon.gif -text
+# Auto detect text files and perform LF normalization
+* text=auto
+
+# exclude from git export
+/travis.ini export-ignore
+/myconfig.ini export-ignore
+/.travis.yml export-ignore
+/.gitignore export-ignore
+/.gitattributes export-ignore
+/lexer/ export-ignore
+/utilities/ export-ignore

.gitignore

@@ -1,19 +1,9 @@
-docs/*.cache
-docs/*.fot
-docs/Makefile
-docs/chm/*.chm
-docs/chm/*.hh?
-docs/chm/fancy
-docs/config.*
-docs/configure
-docs/diff
-docs/dsssl/html-common.dsl
-docs/entities/file-entities.ent
-docs/entities/version.ent
-docs/html
-docs/manual.pdf
-docs/manual.xml
-docs/phpweb
-docs/revcheck.html
-docs/scripts/file-entities.php
-/templates_c
+
+.idea/
+# Smarty
+lexer/*.php
+lexer/*.php.bak
+lexer/*.out
+utilies/*.php
+/composer.lock
+/vendor

ChangeLog

@@ -1,3 +1,12 @@
+===== 2.6.31  ===
+2017-11-03
+    * replace functions deprecated in PHP 7.2
+
+
+2016-09-11  Uwe Tews
+    * {math} fix parameter checking order to avoid misleading message
+    * {math} replace wrong versiom
+
 2016-07-19  Uwe Tews
     * {math} shell injection vulnerability patch provided by Tim Weber
     
@@ -783,7 +792,7 @@
       docs/fr/programmers/plugins/plugins-inserts.xml:
       sync with EN
 
-2006-10-14  Fernando Correa da Conceição  <fernando_conceicao@yahoo.com.br>
+2006-10-14  Fernando Correa da Concei��o  <fernando_conceicao@yahoo.com.br>
 
     * docs/pt_BR/programmers/api-variables/variable-error-reporting.xml:
       New Translation
@@ -4324,7 +4333,7 @@
       fixed bug in _run_mod_handler
 
     * libs/Smarty_Compiler.class.php:
-      fixed bug with autoload-handling of modifiers. thanks ándre.
+      fixed bug with autoload-handling of modifiers. thanks �ndre.
 
 2003-08-05  Messju Mohr  <messju@lammfellpuschen.de>
 

libs/Smarty.class.php

@@ -27,7 +27,7 @@
  * @author Monte Ohrt <monte at ohrt dot com>
  * @author Andrei Zmievski <andrei@php.net>
  * @package Smarty
- * @version 2.6.30
+ * @version 2.6.31-dev
  */
 
 /* $Id$ */
@@ -465,7 +465,7 @@ class Smarty
      *
      * @var string
      */
-    var $_version              = '2.6.30';
+    var $_version              = '2.6.31';
 
     /**
      * current template inclusion depth

libs/Smarty_Compiler.class.php

@@ -259,14 +259,9 @@ class Smarty_Compiler extends Smarty {
 
         preg_match_all($search, $source_content, $match,  PREG_SET_ORDER);
         $this->_folded_blocks = $match;
-        reset($this->_folded_blocks);
 
         /* replace special blocks by "{php}" */
-        $source_content = preg_replace_callback($search, create_function ('$matches', "return '"
-                                       . $this->_quote_replace($this->left_delimiter) . 'php'
-                                       . "' . str_repeat(\"\n\", substr_count('\$matches[1]', \"\n\")) .'"
-                                       . $this->_quote_replace($this->right_delimiter)
-                                       . "';")
+        $source_content = preg_replace_callback($search, array($this,'_preg_callback')
                                        , $source_content);
 
         /* Gather all template tags. */
@@ -556,7 +551,7 @@ class Smarty_Compiler extends Smarty {
 
             case 'php':
                 /* handle folded tags replaced by {php} */
-                list(, $block) = each($this->_folded_blocks);
+                $block = array_shift($this->_folded_blocks);
                 $this->_current_line_no += substr_count($block[0], "\n");
                 /* the number of matched elements in the regexp in _compile_file()
                    determins the type of folded tag that was found */
@@ -754,7 +749,12 @@ class Smarty_Compiler extends Smarty {
         return true;
     }
 
-
+    function _preg_callback ($matches) {
+    return $this->_quote_replace($this->left_delimiter)
+           . 'php'
+           . str_repeat("\n", substr_count($matches[1], "\n"))
+           . $this->_quote_replace($this->right_delimiter);
+    }
     /**
      * compile custom function tag
      *

libs/plugins/function.math.php

@@ -18,11 +18,11 @@
  * @author   Monte Ohrt <monte at ohrt dot com>
  *
  * @param array                    $params   parameters
- * @param Smarty_Internal_Template $template template object
+ * @param Smarty
  *
  * @return string|null
  */
-function smarty_function_math($params, $template)
+function smarty_function_math($params, &$smarty)
 {
     static $_allowed_funcs =
         array('int' => true, 'abs' => true, 'ceil' => true, 'cos' => true, 'exp' => true, 'floor' => true,
@@ -58,12 +58,28 @@ function smarty_function_math($params, $template)
         return;
     }
 
+    foreach ($params as $key => $val) {
+        if ($key != "equation" && $key != "format" && $key != "assign") {
+            // make sure value is not empty
+            if (strlen($val) == 0) {
+                trigger_error("math: parameter '{$key}' is empty", E_USER_WARNING);
+
+                return;
+            }
+            if (!is_numeric($val)) {
+                trigger_error("math: parameter '{$key}' is not numeric", E_USER_WARNING);
+
+                return;
+            }
+        }
+    }
+
     // match all vars in equation, make sure all are passed
     preg_match_all('!(?:0x[a-fA-F0-9]+)|([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)!', $equation, $match);
 
     foreach ($match[ 1 ] as $curr_var) {
         if ($curr_var && !isset($params[ $curr_var ]) && !isset($_allowed_funcs[ $curr_var ])) {
-            trigger_error("math: function call $curr_var not allowed", E_USER_WARNING);
+            trigger_error("math: function call '{$curr_var}' not allowed, or missing parameter '{$curr_var}'", E_USER_WARNING);
 
             return;
         }
@@ -71,17 +87,6 @@ function smarty_function_math($params, $template)
 
     foreach ($params as $key => $val) {
         if ($key != "equation" && $key != "format" && $key != "assign") {
-            // make sure value is not empty
-            if (strlen($val) == 0) {
-                trigger_error("math: parameter $key is empty", E_USER_WARNING);
-
-                return;
-            }
-            if (!is_numeric($val)) {
-                trigger_error("math: parameter $key: is not numeric", E_USER_WARNING);
-
-                return;
-            }
             $equation = preg_replace("/\b$key\b/", " \$params['$key'] ", $equation);
         }
     }
@@ -92,13 +97,13 @@ function smarty_function_math($params, $template)
         if (empty($params[ 'assign' ])) {
             return $smarty_math_result;
         } else {
-            $template->assign($params[ 'assign' ], $smarty_math_result);
+            $smarty->assign($params[ 'assign' ], $smarty_math_result);
         }
     } else {
         if (empty($params[ 'assign' ])) {
             printf($params[ 'format' ], $smarty_math_result);
         } else {
-            $template->assign($params[ 'assign' ], sprintf($params[ 'format' ], $smarty_math_result));
+            $smarty->assign($params[ 'assign' ], sprintf($params[ 'format' ], $smarty_math_result));
         }
     }
 }