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Source View: icon_dir

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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

Line Code
955      $image = image_downsize( $attachment_id, $size );
956      if ( ! $image ) {
957           $src = false;
958
959           if ( $icon ) {
960                $src = wp_mime_type_icon( $attachment_id );
961
962                if ( $src ) {
963                     /** This filter is documented in wp-includes/post.php */
964                     $icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' );
965
966                     $src_file               = $icon_dir . '/' . wp_basename( $src );
967                     list( $width, $height ) = @getimagesize( $src_file );
968                }
969           }
970
971           if ( $src && $width && $height ) {
972                $image = array( $src, $width, $height, false );
973           }