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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 833 | /** |
| 834 | * Filter the Recent Comments default widget styles. |
| 835 | * |
| 836 | * @since 3.1.0 |
| 837 | * |
| 838 | * @param bool $active Whether the widget is active. Default true. |
| 839 | * @param string $id_base The widget ID. |
| 840 | */ |
| 841 | if ( ! current_theme_supports( 'widgets' ) // Temp hack #14876 |
| 842 | || ! apply_filters( 'show_recent_comments_widget_style', true, $this->id_base ) ) |
| 843 | return; |
| 844 | ?> |
| 845 | <style type="text/css">.recentcomments a{display:inline !important;padding:0 !important;margin:0 !important;}</style> |
| 846 | <?php |
| 847 | } |
| 848 | |
| 849 | public function flush_widget_cache() { |
| 850 | wp_cache_delete('widget_recent_comments', 'widget'); |
| 851 | } |