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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 2074 | |
| 2075 | $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d", $postid )); |
| 2076 | foreach ( $comment_ids as $comment_id ) |
| 2077 | wp_delete_comment( $comment_id, true ); |
| 2078 | |
| 2079 | $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $postid )); |
| 2080 | foreach ( $post_meta_ids as $mid ) |
| 2081 | delete_metadata_by_mid( 'post', $mid ); |
| 2082 | |
| 2083 | do_action( 'delete_post', $postid ); |
| 2084 | $wpdb->delete( $wpdb->posts, array( 'ID' => $postid ) ); |
| 2085 | do_action( 'deleted_post', $postid ); |
| 2086 | |
| 2087 | clean_post_cache( $post ); |
| 2088 | |
| 2089 | if ( is_post_type_hierarchical( $post->post_type ) ) { |
| 2090 | foreach ( (array) $children as $child ) |
| 2091 | clean_post_cache( $child ); |
| 2092 | } |
| Line | Code |
| 3841 | |
| 3842 | $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id )); |
| 3843 | foreach ( $comment_ids as $comment_id ) |
| 3844 | wp_delete_comment( $comment_id, true ); |
| 3845 | |
| 3846 | $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $post_id )); |
| 3847 | foreach ( $post_meta_ids as $mid ) |
| 3848 | delete_metadata_by_mid( 'post', $mid ); |
| 3849 | |
| 3850 | do_action( 'delete_post', $post_id ); |
| 3851 | $wpdb->delete( $wpdb->posts, array( 'ID' => $post_id ) ); |
| 3852 | do_action( 'deleted_post', $post_id ); |
| 3853 | |
| 3854 | $uploadpath = wp_upload_dir(); |
| 3855 | |
| 3856 | if ( ! empty($meta['thumb']) ) { |
| 3857 | // Don't delete the thumb if another attachment uses it |
| 3858 | if (! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $meta['thumb'] . '%', $post_id)) ) { |
| 3859 | $thumbfile = str_replace(basename($file), $meta['thumb'], $file); |