Restore strict rule compliance

Author: westonruter

plugins/image-prioritizer/class-image-prioritizer-background-image-styled-tag-visitor.php

@@ -39,7 +39,7 @@ public function __invoke( OD_HTML_Tag_Walker $walker ): bool {
 		if (
 			is_string( $style )
 			&&
-			preg_match( '/background(?:-image)?\s*:[^;]*?url\(\s*[\'"]?\s*(?<background_image>.+?)\s*[\'"]?\s*\)/', $style, $matches ) // Not compatible with strict rules. See <https://github.com/phpstan/phpstan/issues/11262>.
+			1 === preg_match( '/background(?:-image)?\s*:[^;]*?url\(\s*[\'"]?\s*(?<background_image>.+?)\s*[\'"]?\s*\)/', $style, $matches ) // Not compatible with strict rules. See <https://github.com/phpstan/phpstan/issues/11262>.
 			&&
 			'' !== $matches['background_image'] // PHPStan should ideally know that this is a non-empty string based on the `.+?` regular expression. See <https://github.com/phpstan/phpstan/issues/11222>.
 			&&