Remove accents to make sure classes are valid CSS

cleverness · Sep 8, 2017 · 8c131ae · 8c131ae
1 parent 508e13a
commit 8c131ae
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/includes/widget-css-classes.class.php b/includes/widget-css-classes.class.php
@@ -566,8 +566,8 @@ public static function add_widget_classes( $params ) {
 		 */
 		$classes = (array) apply_filters( 'widget_css_classes', $classes, $widget_id, $widget_num, $widget_opt, $widget_obj );
 
-		// Only unique, non-empty values, separated by space, escaped for HTML attributes.
-		$classes = esc_attr( implode( ' ', array_filter( array_unique( $classes ) ) ) );
+		// Only unique, non-empty values, separated by space, escaped for HTML attributes and all special characters removed.
+		$classes = remove_accents( esc_attr( implode( ' ', array_filter( array_unique( $classes ) ) ) ) );
 
 		if ( ! empty( $classes ) ) {
 			// Add the classes.