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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 |
---|---|
642 | if ( is_active_widget(false, false, $this->id_base) ) |
643 | add_action( 'wp_head', array($this, 'recent_comments_style') ); |
644 |
|
645 | add_action( 'comment_post', array($this, 'flush_widget_cache') ); |
646 | add_action( 'transition_comment_status', array($this, 'flush_widget_cache') ); |
647 | } |
648 |
|
649 | function recent_comments_style() { |
650 | if ( ! current_theme_supports( 'widgets' ) // Temp hack #14876 |
651 | || ! apply_filters( 'show_recent_comments_widget_style', true, $this->id_base ) ) |
652 | return; |
653 | ?> |
654 | <style type="text/css">.recentcomments a{display:inline !important;padding:0 !important;margin:0 !important;}</style> |
655 | <?php |
656 | } |
657 |
|
658 | function flush_widget_cache() { |
659 | wp_cache_delete('widget_recent_comments', 'widget'); |
660 | } |