public static function convertVariableToString($variable) {
		$string = '';
		if (is_array($variable)) {
			$string = self::viewArray($variable);
		} elseif (is_object($variable)) {
			$string = '<strong>|Object:<pre>';
			$string .= print_r($variable, TRUE);
			$string .= '</pre>|</strong>';
		} elseif ((string) $variable !== '') {
			$string = '<strong>|' . htmlspecialchars((string) $variable) . '|</strong>';
		} else {
			$string = '<strong>| debug |</strong>';
		}

		return $string;
	}