Use constant instead of function call.

Author: Koc

DataCollector/ConfigDataCollector.php

@@ -70,7 +70,7 @@ public function collect(Request $request, Response $response, \Exception $except
             'wincache_enabled' => extension_loaded('wincache') && ini_get('wincache.ocenabled'),
             'zend_opcache_enabled' => extension_loaded('Zend OPcache') && ini_get('opcache.enable'),
             'bundles' => array(),
-            'sapi_name' => php_sapi_name(),
+            'sapi_name' => PHP_SAPI,
         );
 
         if (isset($this->kernel)) {