TinyMCE: Force urlencoding of commas in URLs added by plugins to prevent warnings about missing stylesheets.

azaozz · azaozz · commit 3cdc7e14af59 · 2017-05-31T22:03:02.000Z
Fixes #40893. git-svn-id: https://develop.svn.wordpress.org/trunk@40862 602fd350-edb4-49c9-b593-d223f7449a82
diff --git a/src/wp-includes/class-wp-editor.php b/src/wp-includes/class-wp-editor.php
@@ -527,6 +527,13 @@ public static function editor_settings($editor_id, $set) {
 				$editor_styles = get_editor_stylesheets();
 
 				if ( ! empty( $editor_styles ) ) {
+					// Force urlencoding of commas.
+					foreach ( $editor_styles as $key => $url ) {
+						if ( strpos( $url, ',' ) !== false ) {
+							$editor_styles[ $key ] = str_replace( ',', '%2C', $url );
+						}
+					}
+
 					$mce_css .= ',' . implode( ',', $editor_styles );
 				}
 
