quickapps / cms

     * @param string $format Format to validate. e.g. yy:mm:ddQ (invalid)

     * @return bool

     */

    public static function validateDateFormat($format)

    {

        $format = str_replace(array_keys(static::$_map['date']), '', $format); // remove placeholders

        $format = preg_replace("/'(.*)'/", '', $format); // remove literals

        $format = preg_replace('/[^a-z]/i', '', $format);

        $format = trim($format);

        return empty($format);

    }

    /**

     * Validates a time format for jQuery's datepicker widget.

     * @param string $format Format to validate. e.g. hh:mm:ssA (invalid)

     * @return bool

     */

    public static function validateTimeFormat($format)

    {

        $format = str_replace(array_keys(static::$_map['time']), '', $format); // remove placeholders

        $format = preg_replace("/'(.*)'/", '', $format); // remove literals

        $format = preg_replace('/[^a-z]/i', '', $format);

        $format = trim($format);

        return empty($format);

    }

    /**

     * Given a DateField instance, gets its PHP's date-format.