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Source View: post_gallery

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Understanding Source Code

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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
668  * @return string HTML content to display gallery.
669  */
670 function gallery_shortcode($attr) {
671      global $post, $wp_locale;
672
673      static $instance = 0;
674      $instance++;
675
676      // Allow plugins/themes to override the default gallery template.
677      $output = apply_filters('post_gallery', '', $attr);
678      if ( $output != '' )
679           return $output;
680
681      // We're trusting author input, so let's at least make sure it looks like a valid orderby statement
682      if ( isset( $attr['orderby'] ) ) {
683           $attr['orderby'] = sanitize_sql_orderby( $attr['orderby'] );
684           if ( !$attr['orderby'] )
685                unset( $attr['orderby'] );
686      }