/**
* Method sets log2 number of iterations for password stretching.
*
* @param integer $hashCount: log2 number of iterations for password stretching to set
* @see HASH_COUNT
* @see $hashCount
* @see getHashCount()
*/
public function setHashCount($hashCount = NULL)
{
self::$hashCount = !is_NULL($hashCount) && is_int($hashCount) && $hashCount >= $this->getMinHashCount() && $hashCount <= $this->getMaxHashCount() ? $hashCount : self::HASH_COUNT;
}
