MemcacheDriverCollisionDetectorTrait::checkCollision()

Complexity

Conditions	5
Paths	4

Size

Total Lines	21
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
    public static function checkCollision($driverName)
    {
        $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;
    }
}