function drupal_clear_css_cache

Deletes old cached CSS files.

3 calls to drupal_clear_css_cache()
drupal_flush_all_caches in drupal/core/includes/common.inc
Flushes all persistent caches, resets all variables, and rebuilds all data structures.
theme_disable in drupal/core/includes/theme.inc
Disable a given list of themes.
theme_enable in drupal/core/includes/theme.inc
Enable a given list of themes.
1 string reference to 'drupal_clear_css_cache'
system_performance_settings in drupal/core/modules/system/system.admin.inc
Form builder; Configure site performance settings.

File

drupal/core/includes/common.inc, line 3328
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',
  ));
}