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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 |
|---|---|
| 78 | $instance |
| 79 | ) |
| 80 | ); |
| 81 | |
| 82 | if ( empty( $tag_cloud ) ) { |
| 83 | return; |
| 84 | } |
| 85 | |
| 86 | /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ |
| 87 | $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); |
| 88 | |
| 89 | echo $args['before_widget']; |
| 90 | if ( $title ) { |
| 91 | echo $args['before_title'] . $title . $args['after_title']; |
| 92 | } |
| 93 | |
| 94 | $format = current_theme_supports( 'html5', 'navigation-widgets' ) ? 'html5' : 'xhtml'; |
| 95 | |
| 96 | /** This filter is documented in wp-includes/widgets/class-wp-nav-menu-widget.php */ |