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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 3 times in this file.
| Line | Code |
|---|---|
| 4998 | do_action( 'deleted_post', $post_id ); |
| 4999 | |
| 5000 | $uploadpath = wp_get_upload_dir(); |
| 5001 | |
| 5002 | if ( ! empty($meta['thumb']) ) { |
| 5003 | // Don't delete the thumb if another attachment uses it. |
| 5004 | 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", '%' . $wpdb->esc_like( $meta['thumb'] ) . '%', $post_id)) ) { |
| 5005 | $thumbfile = str_replace(basename($file), $meta['thumb'], $file); |
| 5006 | /** This filter is documented in wp-includes/functions.php */ |
| 5007 | $thumbfile = apply_filters( 'wp_delete_file', $thumbfile ); |
| 5008 | @ unlink( path_join($uploadpath['basedir'], $thumbfile) ); |
| 5009 | } |
| 5010 | } |
| 5011 | |
| 5012 | // Remove intermediate and backup images if there are any. |
| 5013 | if ( isset( $meta['sizes'] ) && is_array( $meta['sizes'] ) ) { |
| 5014 | foreach ( $meta['sizes'] as $size => $sizeinfo ) { |
| 5015 | $intermediate_file = str_replace( basename( $file ), $sizeinfo['file'], $file ); |
| 5016 | /** This filter is documented in wp-includes/functions.php */ |
| 5017 | $intermediate_file = apply_filters( 'wp_delete_file', $intermediate_file ); |
| 5018 | @ unlink( path_join( $uploadpath['basedir'], $intermediate_file ) ); |
| 5019 | } |
| 5020 | } |
| 5021 | |
| 5022 | if ( is_array($backup_sizes) ) { |
| 5023 | foreach ( $backup_sizes as $size ) { |
| 5024 | $del_file = path_join( dirname($meta['file']), $size['file'] ); |
| 5025 | /** This filter is documented in wp-includes/functions.php */ |
| 5026 | $del_file = apply_filters( 'wp_delete_file', $del_file ); |
| 5027 | @ unlink( path_join($uploadpath['basedir'], $del_file) ); |
| 5028 | } |
| 5029 | } |
| 5030 | |
| 5031 | wp_delete_file( $file ); |
| 5032 | |
| 5033 | clean_post_cache( $post ); |
| 5034 | |
| 5035 | return $post; |