protected function getAdjustedKeyLength()
	{
		return $this->length - intval(strlen($this->prefix) + strlen($this->suffix));
	}
protected function getAdjustedKeyLength()
	{
		return $this->length - intval(strlen($this->prefix) + strlen($this->suffix));
	}
protected function getAdjustedKeyLength ( ) { return $ this -> length - intval ( strlen ( $ this -> prefix ) + strlen ( $ this -> suffix ) ) ; }
Gets the key length less the prefix length and suffix length.

@return int
Gets the key length less the prefix length and suffix length .