Revert "Refactor foreach loop into in_array call (#989)" (#1112)

This reverts commit a63866a.

classes/phing/tasks/ext/ExportPropertiesTask.php

@@ -122,6 +122,12 @@ public function main()
      */
     protected function isDisallowedPropery($propertyName)
     {
-        return in_array(substr($propertyName, 0, strlen($property)), $this->_disallowedPropertyPrefixes);
+        foreach ($this->_disallowedPropertyPrefixes as $property) {
+            if (substr($propertyName, 0, strlen($property)) == $property) {
+                return true;
+            }
+        }
+
+        return false;
     }
 }