From a2439dec02b6ff1cdae59385e79b63c08c74b1cd Mon Sep 17 00:00:00 2001
From: Ralf Becker <RalfBecker@outdoor-training.de>
Date: Tue, 2 Aug 2016 11:42:05 +0200
Subject: [PATCH] fix "PHP Fatal error: APCuIterator::__construct(): APC must
 be enabled to use" in setup-cli

---
 api/src/Cache/Apcu.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/api/src/Cache/Apcu.php b/api/src/Cache/Apcu.php
index f18f9c998a..e39ef5acd7 100644
--- a/api/src/Cache/Apcu.php
+++ b/api/src/Cache/Apcu.php
@@ -151,6 +151,11 @@ class Apcu extends Base implements Provider
 	 */
 	function flush(array $keys)
 	{
+		// do NOT try instanciating APCuIterator, if APCu is not enabled, as it gives a PHP Fatal Error
+		if (!ini_get('apc.enabled') || php_sapi_name() === 'cli' && !ini_get('apc.cli_enabled'))
+		{
+			return false;
+		}
 		if (!$keys && function_exists('apcu_clear_cache'))
 		{
 			apcu_clear_cache();