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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 |
|---|---|
| 75 | if ( ! isset( $args['widget_id'] ) ) { |
| 76 | $args['widget_id'] = $this->id; |
| 77 | } |
| 78 | |
| 79 | $output = ''; |
| 80 | |
| 81 | $title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Comments' ); |
| 82 | |
| 83 | /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ |
| 84 | $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); |
| 85 | |
| 86 | $number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5; |
| 87 | if ( ! $number ) { |
| 88 | $number = 5; |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Filters the arguments for the Recent Comments widget. |
| 93 | * |