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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 |
---|---|
523 | </div> |
524 | <?php |
525 | /** |
526 | * Fires before the permalink field in the edit form. |
527 | * |
528 | * @since 4.1.0 |
529 | * |
530 | * @param WP_Post $post Post object. |
531 | */ |
532 | do_action( 'edit_form_before_permalink', $post ); |
533 | ?> |
534 | <div class="inside"> |
535 | <?php |
536 | if ( $viewable ) : |
537 | $sample_permalink_html = $post_type_object->public ? get_sample_permalink_html( $post->ID ) : ''; |
538 |
|
539 | // As of 4.4, the Get Shortlink button is hidden by default. |
540 | if ( has_filter( 'pre_get_shortlink' ) || has_filter( 'get_shortlink' ) ) { |
541 | $shortlink = wp_get_shortlink( $post->ID, 'post' ); |