AppserverIo\Appserver\Core\Traits\ThreadedContextTrait::hasAttribute PHP 메소드

Queries whether the attribute already exists or not.

public hasAttribute ( string $key ) : boolean
$key	string	The attribute to query for
리턴	boolean	TRUE if the attribute already exists, else FALSE

    public function hasAttribute($key)
    {
        return isset($this[$this->maskKey($key)]);
    }

ThreadedContextTrait