yii\caching\ApcCache::addValues PHP Method

addValues() protected method

Adds multiple key-value pairs to cache.
protected addValues ( array $data, integer $duration ) : array
$data array array where key corresponds to cache key while value is the value stored
$duration integer the number of seconds in which the cached values will expire. 0 means never expire.
return array array of failed keys
    protected function addValues($data, $duration)
    {
        $result = $this->useApcu ? apcu_add($data, null, $duration) : apc_add($data, null, $duration);
        return is_array($result) ? array_keys($result) : [];
    }