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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 |
|---|---|
| 510 | |
| 511 | /** |
| 512 | * Filter the content of the Text widget. |
| 513 | * |
| 514 | * @since 2.3.0 |
| 515 | * |
| 516 | * @param string $widget_text The widget content. |
| 517 | * @param WP_Widget $instance WP_Widget instance. |
| 518 | */ |
| 519 | $text = apply_filters( 'widget_text', empty( $instance['text'] ) ? '' : $instance['text'], $instance ); |
| 520 | echo $args['before_widget']; |
| 521 | if ( ! empty( $title ) ) { |
| 522 | echo $args['before_title'] . $title . $args['after_title']; |
| 523 | } ?> |
| 524 | <div class="textwidget"><?php echo !empty( $instance['filter'] ) ? wpautop( $text ) : $text; ?></div> |
| 525 | <?php |
| 526 | echo $args['after_widget']; |
| 527 | } |
| 528 | |