Skipped tests for Memcached::getAllKeys() certain versions

see https://www.php.net/manual/en/memcached.getallkeys.php#123793
see https://bugs.launchpad.net/libmemcached/+bug/1534062
see php-memcached-dev/php-memcached#315

Author: SidRoberts

tests/unit/Cache/Adapter/Libmemcached/GetKeysCest.php

@@ -39,6 +39,19 @@ public function cacheAdapterLibmemcachedGetKeys(UnitTester $I)
             getOptionsLibmemcached()
         );
 
+        $memcachedServerVersions = $adapter->getAdapter()->getVersion();
+        $memcachedExtensionVersion = phpversion('memcached');
+
+        foreach ($memcachedServerVersions as $server => $memcachedServerVersion) {
+            // https://www.php.net/manual/en/memcached.getallkeys.php#123793
+            // https://bugs.launchpad.net/libmemcached/+bug/1534062
+            if (version_compare($memcachedServerVersion, '1.4.23', '>=') && version_compare($memcachedExtensionVersion, '3.0.1', '<')) {
+                $I->skipTest(
+                    'getAllKeys() does not work in certain Memcached versions'
+                );
+            }
+        }
+
         $adapter->clear();
 
         $adapter->set('key-1', 'test');

tests/unit/Storage/Adapter/Libmemcached/GetKeysCest.php

@@ -39,6 +39,19 @@ public function storageAdapterLibmemcachedGetKeys(UnitTester $I)
             getOptionsLibmemcached()
         );
 
+        $memcachedServerVersions = $adapter->getAdapter()->getVersion();
+        $memcachedExtensionVersion = phpversion('memcached');
+
+        foreach ($memcachedServerVersions as $server => $memcachedServerVersion) {
+            // https://www.php.net/manual/en/memcached.getallkeys.php#123793
+            // https://bugs.launchpad.net/libmemcached/+bug/1534062
+            if (version_compare($memcachedServerVersion, '1.4.23', '>=') && version_compare($memcachedExtensionVersion, '3.0.1', '<')) {
+                $I->skipTest(
+                    'getAllKeys() does not work in certain Memcached versions'
+                );
+            }
+        }
+
         $adapter->clear();
 
         $adapter->set('key-1', 'test');