From: Florian Frantzen <ray176@me.com>
Date: Sat, 19 Sep 2015 15:16:07 +0000 (+0200)
Subject: remove superfluous interface treatment
X-Git-Tag: 3.0.0_Beta_1~2126^2~1
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=937f8cb9eb3dd18f2a93f221483a77871bd732ef;p=GitHub%2FWoltLab%2FWCF.git

remove superfluous interface treatment

Since PHP 5.3.9, `is_subclass_of` supports checks against interfaces as
well. Therefore, the special interface treatment with `ReflectionClass`
is obsolete.
---

diff --git a/wcfsetup/install/files/lib/util/ClassUtil.class.php b/wcfsetup/install/files/lib/util/ClassUtil.class.php
index f5eca64ccf..dd682286ec 100644
--- a/wcfsetup/install/files/lib/util/ClassUtil.class.php
+++ b/wcfsetup/install/files/lib/util/ClassUtil.class.php
@@ -47,14 +47,7 @@ final class ClassUtil {
 			throw new SystemException("Cannot determine class inheritance, reference class '".$targetClass."' does not exist");
 		}
 		
-		// check for simple inheritance
-		if (class_exists($targetClass)) {
-			return is_subclass_of($className, $targetClass);
-		}
-		
-		// check for interface
-		$reflectionClass = new \ReflectionClass($className);
-		return $reflectionClass->implementsInterface($targetClass);
+		return is_subclass_of($className, $targetClass);
 	}
 	
 	private function __construct() { }