#64967 follow-up by drewish: Replace ereg with preg in file_scan_directory().

includes/common.inc

@@ -1952,7 +1952,7 @@ function _drupal_load_stylesheet($matches) {
  * Delete all cached CSS files.
  */
 function drupal_clear_css_cache() {
-  file_scan_directory(file_create_path('css'), '.*', array('.', '..', 'CVS'), 'file_delete', TRUE);
+  file_scan_directory(file_create_path('css'), '/.*/', array('.', '..', 'CVS'), 'file_delete', TRUE);
 }
 
 /**
@@ -2325,7 +2325,7 @@ function drupal_build_js_cache($files, $filename) {
  * Delete all cached JS files.
  */
 function drupal_clear_js_cache() {
-  file_scan_directory(file_create_path('js'), '.*', array('.', '..', 'CVS'), 'file_delete', TRUE);
+  file_scan_directory(file_create_path('js'), '/.*/', array('.', '..', 'CVS'), 'file_delete', TRUE);
   variable_set('javascript_parsed', array());
 }
 
@@ -2651,7 +2651,7 @@ function drupal_cron_cleanup() {
  * version will be included.
  *
  * @param $mask
- *   The regular expression of the files to find.
+ *   The preg_match() regular expression of the files to find.
  * @param $directory
  *   The subdirectory name in which the files are found. For example,
  *   'modules' will search in both modules/ and

includes/file.inc

@@ -962,7 +962,7 @@ function file_download() {
  * @param $dir
  *   The base directory for the scan, without trailing slash.
  * @param $mask
- *   The regular expression of the files to find.
+ *   The preg_match() regular expression of the files to find.
  * @param $nomask
  *   An array of files/directories to ignore.
  * @param $callback
@@ -997,7 +997,7 @@ function file_scan_directory($dir, $mask, $nomask = array('.', '..', 'CVS'), $ca
           // Give priority to files in this folder by merging them in after any subdirectory files.
           $files = array_merge(file_scan_directory("$dir/$file", $mask, $nomask, $callback, $recurse, $key, $min_depth, $depth + 1), $files);
         }
-        elseif ($depth >= $min_depth && ereg($mask, $file)) {
+        elseif ($depth >= $min_depth && preg_match($mask, $file)) {
           // Always use this match over anything already set in $files with the
           // same $$key.
           $filename = "$dir/$file";

includes/install.inc

@@ -409,7 +409,7 @@ function drupal_rewrite_settings($settings = array(), $prefix = '') {
 function drupal_get_install_files($module_list = array()) {
   $installs = array();
   foreach ($module_list as $module) {
-    $installs = array_merge($installs, drupal_system_listing($module . '.install$', 'modules'));
+    $installs = array_merge($installs, drupal_system_listing('/'. $module . '.install$/', 'modules'));
   }
   return $installs;
 }
@@ -442,7 +442,7 @@ function drupal_verify_profile($profile, $locale) {
 
   // Get a list of modules that exist in Drupal's assorted subdirectories.
   $present_modules = array();
-  foreach (drupal_system_listing('\.module$', 'modules', 'name', 0) as $present_module) {
+  foreach (drupal_system_listing('/\.module$/', 'modules', 'name', 0) as $present_module) {
     $present_modules[] = $present_module->name;
   }
 

includes/locale.inc

@@ -2479,7 +2479,7 @@ function locale_batch_by_language($langcode, $finished = NULL, $skip = array())
     // with names ending with $langcode.po. This allows for filenames
     // like node-module.de.po to let translators use small files and
     // be able to import in smaller chunks.
-    $files = array_merge($files, file_scan_directory(dirname($component->filename) . '/translations', '(^|\.)' . $langcode . '\.po$', array('.', '..', 'CVS'), 0, FALSE));
+    $files = array_merge($files, file_scan_directory(dirname($component->filename) . '/translations', '/(^|\.)' . $langcode . '\.po$/', array('.', '..', 'CVS'), 0, FALSE));
     $components[] = $component->name;
   }
 
@@ -2511,7 +2511,7 @@ function locale_batch_by_component($components, $finished = '_locale_batch_syste
         // as $langcode.po or with names ending with $langcode.po. This allows
         // for filenames like node-module.de.po to let translators use small
         // files and be able to import in smaller chunks.
-        $files = array_merge($files, file_scan_directory(dirname($component->filename) . '/translations', '(^|\.)(' . $language_list . ')\.po$', array('.', '..', 'CVS'), 0, FALSE));
+        $files = array_merge($files, file_scan_directory(dirname($component->filename) . '/translations', '/(^|\.)(' . $language_list . ')\.po$/', array('.', '..', 'CVS'), 0, FALSE));
       }
     }
     return _locale_batch_build($files, $finished);

includes/module.inc

@@ -80,7 +80,7 @@ function module_list($refresh = FALSE, $bootstrap = TRUE, $sort = FALSE, $fixed_
  */
 function module_rebuild_cache() {
   // Get current list of modules
-  $files = drupal_system_listing('\.module$', 'modules', 'name', 0);
+  $files = drupal_system_listing('/\.module$/', 'modules', 'name', 0);
 
   // Extract current files from database.
   system_get_files_database($files, 'module');

includes/registry.inc

@@ -49,7 +49,7 @@ function _registry_rebuild() {
       }
     }
   }
-  foreach (file_scan_directory('includes', '\.inc$') as $filename => $file) {
+  foreach (file_scan_directory('includes', '/\.inc$/') as $filename => $file) {
     $files["./$filename"] = array();
   }
 

includes/theme.inc

@@ -790,7 +790,7 @@ function drupal_find_theme_templates($cache, $extension, $path) {
   $subtheme_paths = isset($theme_paths[$theme]) ? $theme_paths[$theme] : array();
 
   // Escape the periods in the extension.
-  $regex = str_replace('.', '\.', $extension) . '$';
+  $regex = '/'. str_replace('.', '\.', $extension) . '$/';
   // Because drupal_system_listing works the way it does, we check for real
   // templates separately from checking for patterns.
   $files = drupal_system_listing($regex, $path, 'name', 0);

install.php

@@ -401,7 +401,7 @@ function install_settings_form_submit($form, &$form_state) {
  * Find all .profile files.
  */
 function install_find_profiles() {
-  return file_scan_directory('./profiles', '\.profile$', array('.', '..', 'CVS'), 0, TRUE, 'name', 0);
+  return file_scan_directory('./profiles', '/\.profile$/', array('.', '..', 'CVS'), 0, TRUE, 'name', 0);
 }
 
 /**
@@ -487,7 +487,7 @@ function install_select_profile_form(&$form_state, $profile_files) {
  * Find all .po files for the current profile.
  */
 function install_find_locales($profilename) {
-  $locales = file_scan_directory('./profiles/' . $profilename . '/translations', '\.po$', array('.', '..', 'CVS'), 0, FALSE);
+  $locales = file_scan_directory('./profiles/' . $profilename . '/translations', '/\.po$/', array('.', '..', 'CVS'), 0, FALSE);
   array_unshift($locales, (object) array('name' => 'en'));
   return $locales;
 }

modules/simpletest/drupal_web_test_case.php

@@ -467,7 +467,7 @@ class DrupalWebTestCase {
     if (in_array($type, array('binary', 'html', 'image', 'javascript', 'php', 'sql', 'text'))) {
      // Use original file directory instead of one created during setUp().
       $path = $this->original_file_directory . '/simpletest';
-      $files = file_scan_directory($path, $type . '\-.*');
+      $files = file_scan_directory($path, '/' . $type . '\-.*/');
 
       // If size is set then remove any files that are not of that size.
       if ($size !== NULL) {

modules/simpletest/simpletest.install

@@ -28,10 +28,10 @@ function simpletest_install() {
     }
 
     // Copy other test files for consistency.
-    $files = file_scan_directory($path, '(html|image|javascript|php|sql)-.*');
+    $files = file_scan_directory($path, '/(html|image|javascript|php|sql)-.*/');
     if (count($files) == 0) {
       $original = drupal_get_path('module', 'simpletest') . '/files';
-      $files = file_scan_directory($original, '(html|image|javascript|php|sql)-.*');
+      $files = file_scan_directory($original, '/(html|image|javascript|php|sql)-.*/');
       foreach ($files as $file) {
         file_copy($file->filename, $path . '/' . $file->basename);
       }

modules/simpletest/simpletest.module

@@ -435,7 +435,7 @@ function simpletest_get_all_tests() {
 
       $tests_directory = $module_path . '/tests';
       if (is_dir($tests_directory)) {
-        foreach (file_scan_directory($tests_directory, '\.test$') as $file) {
+        foreach (file_scan_directory($tests_directory, '/\.test$/') as $file) {
           $files[] = $file->filename;
         }
       }

modules/system/system.module

@@ -1003,9 +1003,9 @@ function _system_theme_data() {
 
   if (empty($themes_info)) {
     // Find themes
-    $themes = drupal_system_listing('\.info$', 'themes');
+    $themes = drupal_system_listing('/\.info$/', 'themes');
     // Find theme engines
-    $engines = drupal_system_listing('\.engine$', 'themes/engines');
+    $engines = drupal_system_listing('/\.engine$/', 'themes/engines');
 
     $defaults = system_theme_default();