protected function checkDigestSupport()
	{
		// ensure that the selected digest method is supported by the current PHP version
		if (!in_array($this->digestMethod, hash_algos()))
		{
			trigger_error(sprintf('This installation of PHP does not support the %s hashing algorithm', $this->digestMethod), E_USER_ERROR);
		}
	}
protected function checkDigestSupport()
	{
		// ensure that the selected digest method is supported by the current PHP version
		if (!in_array($this->digestMethod, hash_algos()))
		{
			trigger_error(sprintf('This installation of PHP does not support the %s hashing algorithm', $this->digestMethod), E_USER_ERROR);
		}
	}
protected function checkDigestSupport ( ) { // ensure that the selected digest method is supported by the current PHP version if ( ! in_array ( $ this -> digestMethod , hash_algos ( ) ) ) { trigger_error ( sprintf ( 'This installation of PHP does not support the %s hashing algorithm' , $ this -> digestMethod ) , E_USER_ERROR ) ; } }
Ensures that the current installation of PHP supports the selected digest method.
If it does not, a fatal error is triggered.

@return	void
Ensures that the current installation of PHP supports the selected digest method . If it does not a fatal error is triggered .