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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 |
---|---|
44 | */ |
45 | public function widget( $args, $instance ) { |
46 | if ( ! isset( $args['widget_id'] ) ) { |
47 | $args['widget_id'] = $this->id; |
48 | } |
49 |
|
50 | $title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Posts' ); |
51 |
|
52 | /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ |
53 | $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); |
54 |
|
55 | $number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5; |
56 | if ( ! $number ) |
57 | $number = 5; |
58 | $show_date = isset( $instance['show_date'] ) ? $instance['show_date'] : false; |
59 |
|
60 | /** |
61 | * Filter the arguments for the Recent Posts widget. |
62 | * |