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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.
This hook occurs 2 times in this file.
Line | Code |
---|---|
3016 | } |
3017 |
|
3018 | /** |
3019 | * Fires immediately before a post is deleted from the database. |
3020 | * |
3021 | * @since 1.2.0 |
3022 | * |
3023 | * @param int $postid Post ID. |
3024 | */ |
3025 | do_action( 'delete_post', $postid ); |
3026 | $result = $wpdb->delete( $wpdb->posts, array( 'ID' => $postid ) ); |
3027 | if ( ! $result ) { |
3028 | return false; |
3029 | } |
3030 |
|
3031 | /** |
3032 | * Fires immediately after a post is deleted from the database. |
3033 | * |
3034 | * @since 2.2.0 |
Line | Code |
5616 |
|
5617 | wp_defer_comment_counting( false ); |
5618 |
|
5619 | $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $post_id ) ); |
5620 | foreach ( $post_meta_ids as $mid ) { |
5621 | delete_metadata_by_mid( 'post', $mid ); |
5622 | } |
5623 |
|
5624 | /** This action is documented in wp-includes/post.php */ |
5625 | do_action( 'delete_post', $post_id ); |
5626 | $result = $wpdb->delete( $wpdb->posts, array( 'ID' => $post_id ) ); |
5627 | if ( ! $result ) { |
5628 | return false; |
5629 | } |
5630 | /** This action is documented in wp-includes/post.php */ |
5631 | do_action( 'deleted_post', $post_id ); |
5632 |
|
5633 | wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file ); |
5634 |
|