REST API: Fix for Yoda condition.

Little coding standards fix for the REST API.

Props mukesh27, spenserhale.

Fixes #48337.


git-svn-id: http://develop.svn.wordpress.org/trunk@46654 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/rest-api/class-wp-rest-request.php

@@ -310,7 +310,7 @@ public function get_content_type() {
 		}
 
 		$value = strtolower( $value );
-		if ( strpos( $value, '/' ) === false ) {
+		if ( false === strpos( $value, '/' ) ) {
 			return null;
 		}