/**
	 * Making class or function name safe
	 *
	 * @input	string       The name you would like to make safe
	 *
	 * @returns string on success
	 * 
	 * @since  3.0.9
	 */
	public static function safe($name): string
	{
		// remove numbers if the first character is a number
		if (is_numeric(substr((string) $name, 0, 1)))
		{
			$name = StringHelper::numbers($name);
		}

		// remove all spaces and strange characters
		return trim(preg_replace("/[^A-Za-z0-9_-]/", '', (string) $name));
	}