private function _checkFunctionLength() {
		// Check the length of the function
		if ($this->_isActive('functionLength')) {

			$functionLength = $this->lineNumber - $this->_functionStartLine;
			$maxLength = $this->_config->getTestProperty('functionLength', 'maxLength');

			if ($functionLength > $maxLength) {
				$msg = $this->_getMessage('FUNCTION_LENGTH_THROW', $this->_currentFunctionName, $functionLength, $maxLength);
				$this->_writeError('docBlocks', $msg);
			}
		}
	}