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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 |
|---|---|
| 43 | |
| 44 | if ( isset( $cache[$args['widget_id']] ) ) { |
| 45 | echo $cache[$args['widget_id']]; |
| 46 | return; |
| 47 | } |
| 48 | |
| 49 | ob_start(); |
| 50 | extract( $args, EXTR_SKIP ); |
| 51 | |
| 52 | $title = apply_filters( 'widget_title', empty( $instance['title'] ) ? __( 'Ephemera', 'twentyeleven' ) : $instance['title'], $instance, $this->id_base); |
| 53 | |
| 54 | if ( ! isset( $instance['number'] ) ) |
| 55 | $instance['number'] = '10'; |
| 56 | |
| 57 | if ( ! $number = absint( $instance['number'] ) ) |
| 58 | $number = 10; |
| 59 | |
| 60 | $ephemera_args = array( |
| 61 | 'order' => 'DESC', |