yii\caching\FileCache::addValue PHP Метод

addValue() защищенный Метод

This is the implementation of the method declared in the parent class.
protected addValue ( string $key, string $value, integer $duration ) : boolean
$key string the key identifying the value to be cached
$value string the value to be cached. Other types (if you have disabled [[serializer]]) unable to get is correct in [[getValue()]].
$duration integer the number of seconds in which the cached value will expire. 0 means never expire.
Результат boolean true if the value is successfully stored into cache, false otherwise
    protected function addValue($key, $value, $duration)
    {
        $cacheFile = $this->getCacheFile($key);
        if (@filemtime($cacheFile) > time()) {
            return false;
        }
        return $this->setValue($key, $value, $duration);
    }