fixup! CSS: Follow-up fixes to split_selector_list()

dmsnell · dmsnell · commit c7ecfd369fcd · 2026-06-30T15:35:52.000-07:00
diff --git a/lib/class-wp-theme-json-gutenberg.php b/lib/class-wp-theme-json-gutenberg.php
@@ -1299,7 +1299,7 @@ protected static function append_to_selector( $selector, $to_append ) {
 		 * @see https://www.w3.org/TR/css-syntax-3/#parse-comma-separated-list-of-component-values
 		 */
 		if ( strlen( $selector ) === strcspn( $selector, '/\'"(<\\' ) ) {
-			return $to_append . str_replace( ',', ',' . $to_append, $selector );
+			return str_replace( ',', $to_append . ',', $selector ) . $to_append;
 		}
 
 		$new_selectors = array();

Original file line number	Diff line number	Diff line change
`@@ -1299,7 +1299,7 @@ protected static function append_to_selector( $selector, $to_append ) {`
`1299`	`1299`	`* @see https://www.w3.org/TR/css-syntax-3/#parse-comma-separated-list-of-component-values`
`1300`	`1300`	`*/`
`1301`	`1301`	`if ( strlen( $selector ) === strcspn( $selector, '/\'"(<\\' ) ) {`
`1302`		`- return $to_append . str_replace( ',', ',' . $to_append, $selector );`
	`1302`	`+ return str_replace( ',', $to_append . ',', $selector ) . $to_append;`
`1303`	`1303`	`}`
`1304`	`1304`
`1305`	`1305`	`$new_selectors = array();`