/**
* 批量判断键值是否存在
* @param array $keys 键名数组
* @return array 返回存在的keys
*/
public function mHas($keys)
{
if ($this->driver->checkDriver()) {
if (method_exists($this->driver, 'mHas')) {
return $this->driver->mHas($keys);
} else {
$hasKeys = [];
foreach ($keys as $key) {
if ($this->driver->has($key)) {
$hasKeys[] = $key;
}
}
return $hasKeys;
}
}
if ($this->driver->isFallback() && $this->type !== self::$config['fallback']) {
return $this->driver->backup()->mHas($keys);
}
return false;
}