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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 |
|---|---|
| 581 | |
| 582 | /** |
| 583 | * Filter the content of the Text widget. |
| 584 | * |
| 585 | * @since 2.3.0 |
| 586 | * |
| 587 | * @param string $widget_text The widget content. |
| 588 | * @param WP_Widget $instance WP_Widget instance. |
| 589 | */ |
| 590 | $text = apply_filters( 'widget_text', empty( $instance['text'] ) ? '' : $instance['text'], $instance ); |
| 591 | echo $args['before_widget']; |
| 592 | if ( ! empty( $title ) ) { |
| 593 | echo $args['before_title'] . $title . $args['after_title']; |
| 594 | } ?> |
| 595 | <div class="textwidget"><?php echo !empty( $instance['filter'] ) ? wpautop( $text ) : $text; ?></div> |
| 596 | <?php |
| 597 | echo $args['after_widget']; |
| 598 | } |
| 599 | |