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
3809      $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->posts WHERE ID = %d", $post_id ));
3810      do_action( 'deleted_post', $post_id );
3811
3812      $uploadpath = wp_upload_dir();
3813
3814      if ( ! empty($meta['thumb']) ) {
3815           // Don't delete the thumb if another attachment uses it
3816           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)) ) {
3817                $thumbfile = str_replace(basename($file), $meta['thumb'], $file);
3818                $thumbfile = apply_filters('wp_delete_file', $thumbfile);
3819                @ unlink( path_join($uploadpath['basedir'], $thumbfile) );
3820           }
3821      }
3822
3823      // remove intermediate and backup images if there are any
3824      foreach ( get_intermediate_image_sizes() as $size ) {
3825           if ( $intermediate = image_get_intermediate_size($post_id, $size) ) {
3826                $intermediate_file = apply_filters('wp_delete_file', $intermediate['path']);
3827                @ unlink( path_join($uploadpath['basedir'], $intermediate_file) );
3828           }
3829      }
3830
3831      if ( is_array($backup_sizes) ) {
3832           foreach ( $backup_sizes as $size ) {
3833                $del_file = path_join( dirname($meta['file']), $size['file'] );
3834                $del_file = apply_filters('wp_delete_file', $del_file);
3835                @ unlink( path_join($uploadpath['basedir'], $del_file) );
3836           }
3837      }
3838
3839      $file = apply_filters('wp_delete_file', $file);
3840
3841      if ( ! empty($file) )
3842           @ unlink($file);
3843
3844      clean_post_cache($post_id);
3845
3846      return $post;
3847 }
3848