use global namespace for opcache functions to improve the usefulness of error messages

diff --git a/wcfsetup/install/files/lib/system/WCF.class.php b/wcfsetup/install/files/lib/system/WCF.class.php
index 0e28b1aeb83da15315232304f232a5850eca57c2..7c33c39aa2f265cf6e0fae4b4c5b105a3c1b8d6a 100644 (file)
--- a/wcfsetup/install/files/lib/system/WCF.class.php
+++ b/wcfsetup/install/files/lib/system/WCF.class.php
@@ -1001,10 +1001,10 @@ class WCF {
                
                if (self::$zendOpcacheEnabled) {
                        if (empty($script)) {
-                               opcache_reset();
+                               \opcache_reset();
                        }
                        else {
-                               opcache_invalidate($script, true);
+                               \opcache_invalidate($script, true);
                        }
                }
        }