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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 881 | if ( is_null( $parent ) ) { |
| 882 | break; |
| 883 | } |
| 884 | |
| 885 | $this->current_level++; |
| 886 | $find_main_page = (int) $parent->post_parent; |
| 887 | |
| 888 | if ( ! isset( $parent_name ) ) { |
| 889 | /** This filter is documented in wp-includes/post-template.php */ |
| 890 | $parent_name = apply_filters( 'the_title', $parent->post_title, $parent->ID ); |
| 891 | } |
| 892 | } |
| 893 | } |
| 894 | } |
| 895 | |
| 896 | $can_edit_post = current_user_can( 'edit_post', $post->ID ); |
| 897 | |
| 898 | if ( $can_edit_post && $post->post_status != 'trash' ) { |
| 899 | $lock_holder = wp_check_post_lock( $post->ID ); |