Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: wp_delete_file

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

This hook occurs 4 times in this file.

Line Code
4185      do_action( 'deleted_post', $post_id );
4186
4187      $uploadpath = wp_upload_dir();
4188
4189      if ( ! empty($meta['thumb']) ) {
4190           // Don't delete the thumb if another attachment uses it
4191           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)) ) {
4192                $thumbfile = str_replace(basename($file), $meta['thumb'], $file);
4193                /** This filter is documented in wp-admin/custom-header.php */
4194                $thumbfile = apply_filters('wp_delete_file', $thumbfile);
4195                @ unlink( path_join($uploadpath['basedir'], $thumbfile) );
4196           }
4197      }
4198
4199      // remove intermediate and backup images if there are any
4200      foreach ( $intermediate_sizes as $intermediate ) {
4201           /** This filter is documented in wp-admin/custom-header.php */
4202           $intermediate_file = apply_filters( 'wp_delete_file', $intermediate['path'] );
4203           @ unlink( path_join($uploadpath['basedir'], $intermediate_file) );
4204      }
4205
4206      if ( is_array($backup_sizes) ) {
4207           foreach ( $backup_sizes as $size ) {
4208                $del_file = path_join( dirname($meta['file']), $size['file'] );
4209                /** This filter is documented in wp-admin/custom-header.php */
4210                $del_file = apply_filters('wp_delete_file', $del_file);
4211                @ unlink( path_join($uploadpath['basedir'], $del_file) );
4212           }
4213      }
4214
4215      /** This filter is documented in wp-admin/custom-header.php */
4216      $file = apply_filters('wp_delete_file', $file);
4217
4218      if ( ! empty($file) )
4219           @ unlink($file);
4220
4221      clean_post_cache( $post );
4222
4223      return $post;
4224 }
4225