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function drupal_clear_css_cache in Drupal 7

Same name and namespace in other branches
  1. 8 core/includes/common.inc \drupal_clear_css_cache()
  2. 5 includes/common.inc \drupal_clear_css_cache()
  3. 6 includes/common.inc \drupal_clear_css_cache()

Deletes old cached CSS files.

3 calls to drupal_clear_css_cache()
drupal_flush_all_caches in includes/common.inc
Flushes all cached data on the site.
theme_disable in includes/theme.inc
Disables a given list of themes.
theme_enable in includes/theme.inc
Enables a given list of themes.
1 string reference to 'drupal_clear_css_cache'
system_performance_settings in modules/system/system.admin.inc
Form builder; Configure site performance settings.

File

includes/common.inc, line 3922
Common functions that many Drupal modules will need to reference.

Code

function drupal_clear_css_cache() {
  variable_del('drupal_css_cache_files');
  file_scan_directory('public://css', '/.*/', array(
    'callback' => 'drupal_delete_file_if_stale',
  ));
}