Observium_CE/libs/Phpfastcache8/Util/MemcacheDriverCollisionDetectorTrait.php

60 lines
1.4 KiB
PHP

<?php
/**
*
* This file is part of phpFastCache.
*
* @license MIT License (MIT)
*
* For full copyright and license information, please see the docs/CREDITS.txt file.
*
* @author Khoa Bui (khoaofgod) <khoaofgod@gmail.com> https://www.phpfastcache.com
* @author Georges.L (Geolim4) <contact@geolim4.com>
*
*/
declare(strict_types=1);
namespace Phpfastcache\Util;
/**
* Trait MemcacheDriverCollisionDetectorTrait
* @package phpFastCache\Core
*/
trait MemcacheDriverCollisionDetectorTrait
{
/**
* @var string
*/
protected static $driverUsed;
/**
* @param $driverName
* @return bool
*/
public static function checkCollision($driverName): bool
{
$CONSTANT_NAME = __NAMESPACE__ . '\MEMCACHE_DRIVER_USED';
if ($driverName && is_string($driverName)) {
if (!defined($CONSTANT_NAME)) {
define($CONSTANT_NAME, $driverName);
return true;
} else {
if (constant($CONSTANT_NAME) !== $driverName) {
trigger_error(
'Memcache collision detected, you used both Memcache and Memcached driver in your script, this may leads to unexpected behaviours',
E_USER_WARNING
);
return false;
}
}
return true;
}
return false;
}
}