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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 |
---|---|
514 | $parent = get_post( $find_main_page ); |
515 |
|
516 | if ( is_null( $parent ) ) |
517 | break; |
518 |
|
519 | $level++; |
520 | $find_main_page = (int) $parent->post_parent; |
521 |
|
522 | if ( !isset( $parent_name ) ) |
523 | $parent_name = apply_filters( 'the_title', $parent->post_title, $parent->ID ); |
524 | } |
525 | } |
526 |
|
527 | $pad = str_repeat( '— ', $level ); |
528 | ?> |
529 | <td <?php echo $attributes ?>><strong><?php if ( $can_edit_post && $post->post_status != 'trash' ) { ?><a class="row-title" href="<?php echo $edit_link; ?>" title="<?php echo esc_attr( sprintf( __( 'Edit “%s”' ), $title ) ); ?>"><?php echo $pad; echo $title ?></a><?php } else { echo $pad; echo $title; }; _post_states( $post ); echo isset( $parent_name ) ? ' | ' . $post_type_object->labels->parent_item_colon . ' ' . esc_html( $parent_name ) : ''; ?></strong> |
530 | <?php |
531 | } |
532 | else { |