Fix regex matching for slightly different error message for php7.1

equivalent across all supported PHP versions

CHANGELOG.md

@@ -6,14 +6,22 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+- `$smarty->muteUndefinedOrNullWarnings()` now also mutes PHP7 notices for undefined array indexes [#736](https://github.com/smarty-php/smarty/issues/736)
+- `$smarty->muteUndefinedOrNullWarnings()` now treats undefined vars and array access of a null or false variables 
+  equivalent across all supported PHP versions
+
+## [4.3.0] - 2022-11-22
+
 ### Added
 - PHP8.2 compatibility [#775](https://github.com/smarty-php/smarty/pull/775)
 
 ### Changed
 - Include docs and demo in the releases [#799](https://github.com/smarty-php/smarty/issues/799)
 - Using PHP functions as modifiers now triggers a deprecation notice because we will drop support for this in the next major release [#813](https://github.com/smarty-php/smarty/issues/813) 
--  Dropped remaining references to removed PHP-support in Smarty 4 from docs, lexer and security class. [#816](https://github.com/smarty-php/smarty/issues/816)
-
+- Dropped remaining references to removed PHP-support in Smarty 4 from docs, lexer and security class. [#816](https://github.com/smarty-php/smarty/issues/816)
+- Support umask when writing (template) files and set dir permissions to 777 [#548](https://github.com/smarty-php/smarty/issues/548) [#819](https://github.com/smarty-php/smarty/issues/819) 
+ 
 ### Fixed
 - Output buffer is now cleaned for internal PHP errors as well, not just for Exceptions [#514](https://github.com/smarty-php/smarty/issues/514)
 - Fixed recursion and out of memory errors when caching in complicated template set-ups using inheritance and includes [#801](https://github.com/smarty-php/smarty/pull/801)
@@ -24,6 +32,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Adapt Smarty upper/lower functions to be codesafe (e.g. for Turkish locale) [#586](https://github.com/smarty-php/smarty/pull/586)
 - Bug fix for underscore and limited length in template name in custom resources [#581](https://github.com/smarty-php/smarty/pull/581)
 
+
 ## [4.2.1] - 2022-09-14
 
 ### Security

libs/Smarty.class.php

@@ -107,7 +107,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '4.2.1';
+    const SMARTY_VERSION = '4.3.0';
     /**
      * define variable scopes
      */
@@ -1386,8 +1386,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     }
 
     /**
-     * Activates PHP7 compatibility mode:
-     * - converts E_WARNINGS for "undefined array key" and "trying to read property of null" errors to E_NOTICE
+     * Mutes errors for "undefined index", "undefined array key" and "trying to read property of null".
      *
      * @void
      */
@@ -1396,7 +1395,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     }
 
     /**
-     * Indicates if PHP7 compatibility mode is set.
+     * Indicates if Smarty will mute errors for "undefined index", "undefined array key" and "trying to read property of null".
      * @bool
      */
     public function isMutingUndefinedOrNullWarnings(): bool {

libs/sysplugins/smarty_internal_errorhandler.php

@@ -66,12 +66,16 @@ class Smarty_Internal_ErrorHandler
      */
     public function handleError($errno, $errstr, $errfile, $errline, $errcontext = [])
     {
-        if ($this->allowUndefinedVars && $errstr == 'Attempt to read property "value" on null') {
+
+        if ($this->allowUndefinedVars && preg_match(
+                '/^(Attempt to read property "value" on null|Trying to get property (\'value\' )?of non-object)/',
+                $errstr
+            )) {
             return; // suppresses this error
         }
 
         if ($this->allowUndefinedArrayKeys && preg_match(
-            '/^(Undefined array key|Trying to access array offset on value of type null)/',
+            '/^(Undefined index|Undefined array key|Trying to access array offset on value of type (null|bool))/',
             $errstr
         )) {
             return; // suppresses this error

libs/sysplugins/smarty_internal_runtime_writefile.php

@@ -29,7 +29,6 @@ class Smarty_Internal_Runtime_WriteFile
     {
         $_error_reporting = error_reporting();
         error_reporting($_error_reporting & ~E_NOTICE & ~E_WARNING);
-        $old_umask = umask(0);
         $_dirpath = dirname($_filepath);
         // if subdirs, create dir structure
         if ($_dirpath !== '.') {
@@ -37,7 +36,7 @@ class Smarty_Internal_Runtime_WriteFile
             // loop if concurrency problem occurs
             // see https://bugs.php.net/bug.php?id=35326
             while (!is_dir($_dirpath)) {
-                if (@mkdir($_dirpath, 0771, true)) {
+                if (@mkdir($_dirpath, 0777, true)) {
                     break;
                 }
                 clearstatcache();
@@ -85,8 +84,7 @@ class Smarty_Internal_Runtime_WriteFile
             throw new SmartyException("unable to write file {$_filepath}");
         }
         // set file permissions
-        chmod($_filepath, 0644);
-        umask($old_umask);
+        @chmod($_filepath, 0666 & ~umask());
         error_reporting($_error_reporting);
         return true;
     }

libs/sysplugins/smarty_internal_templatecompilerbase.php

@@ -1131,8 +1131,12 @@ abstract class Smarty_Internal_TemplateCompilerBase
             echo ob_get_clean();
             flush();
         }
-        $e = new SmartyCompilerException($error_text);
-        $e->setLine($line);
+        $e = new SmartyCompilerException(
+            $error_text,
+            0,
+            $this->template->source->filepath,
+            $line
+        );
         $e->source = trim(preg_replace('![\t\r\n]+!', ' ', $match[ $line - 1 ]));
         $e->desc = $args;
         $e->template = $this->template->source->filepath;

libs/sysplugins/smartycompilerexception.php

@@ -7,6 +7,33 @@
  */
 class SmartyCompilerException extends SmartyException
 {
+    /**
+     * The constructor of the exception
+     *
+     * @param string         $message  The Exception message to throw.
+     * @param int            $code     The Exception code.
+     * @param string|null    $filename The filename where the exception is thrown.
+     * @param int|null       $line     The line number where the exception is thrown.
+     * @param Throwable|null $previous The previous exception used for the exception chaining.
+     */
+    public function __construct(
+        string $message = "",
+        int $code = 0,
+        ?string $filename = null,
+        ?int $line = null,
+        Throwable $previous = null
+    ) {
+        parent::__construct($message, $code, $previous);
+
+        // These are optional parameters, should be be overridden only when present!
+        if ($filename) {
+            $this->file = $filename;
+        }
+        if ($line) {
+            $this->line = $line;
+        }
+    }
+
     /**
      * @return string
      */
@@ -22,6 +49,7 @@ class SmartyCompilerException extends SmartyException
     {
         $this->line = $line;
     }
+
     /**
      * The template source snippet relating to the error
      *

tests/UnitTests/A_2/UndefinedTemplateVar/UndefinedTemplateVarTest.php

@@ -88,14 +88,12 @@ class UndefinedTemplateVarTest extends PHPUnit_Smarty
     }
 
     public function testUndefinedSimpleVar() {
-        $this->smarty->setErrorReporting(E_ALL & ~E_NOTICE);
         $this->smarty->muteUndefinedOrNullWarnings();
         $tpl = $this->smarty->createTemplate('string:a{if $undef}def{/if}b');
         $this->assertEquals("ab", $this->smarty->fetch($tpl));
     }
 
     public function testUndefinedArrayIndex() {
-        $this->smarty->setErrorReporting(E_ALL & ~E_NOTICE);
         $this->smarty->muteUndefinedOrNullWarnings();
         $tpl = $this->smarty->createTemplate('string:a{if $ar.undef}def{/if}b');
         $tpl->assign('ar', []);
@@ -103,7 +101,6 @@ class UndefinedTemplateVarTest extends PHPUnit_Smarty
     }
 
     public function testUndefinedArrayIndexDeep() {
-        $this->smarty->setErrorReporting(E_ALL & ~E_NOTICE);
         $this->smarty->muteUndefinedOrNullWarnings();
         $tpl = $this->smarty->createTemplate('string:a{if $ar.undef.nope.neither}def{/if}b');
         $tpl->assign('ar', []);
@@ -133,5 +130,19 @@ class UndefinedTemplateVarTest extends PHPUnit_Smarty
         $this->assertTrue($exceptionThrown);
     }
 
+    public function testUsingNullAsAnArrayIsMuted() {
+        $this->smarty->setErrorReporting(E_ALL);
+        $this->smarty->muteUndefinedOrNullWarnings();
+        $tpl = $this->smarty->createTemplate('string:a{if $undef.k}def{/if}b');
+        $this->assertEquals("ab", $this->smarty->fetch($tpl));
+    }
+
+    public function testUsingFalseAsAnArrayIsMuted() {
+        $this->smarty->setErrorReporting(E_ALL);
+        $this->smarty->muteUndefinedOrNullWarnings();
+        $tpl = $this->smarty->createTemplate('string:a{if $nottrue.k}def{/if}b');
+        $this->smarty->assign('nottrue', false);
+        $this->assertEquals("ab", $this->smarty->fetch($tpl));
+    }
 
 }