<?php

/**

 * Smarty shared plugin

 *

 * @package    Smarty

 * @subpackage PluginsShared

 */

/**

 * Function: smarty_make_timestamp<br>

 * Purpose:  used by other smarty functions to make a timestamp from a string.

 *

 * @author   Monte Ohrt <monte at ohrt dot com>

 *

 * @param DateTime|int|string $string date object, timestamp or string that can be converted using strtotime()

 *

 * @return int

 */

function smarty_make_timestamp($string) {

    if (empty($string)) {

        // use "now":

        return time();

    } elseif ($string instanceof DateTime) {

        return $string->getTimestamp();

    } elseif (strlen($string) == 14 && ctype_digit($string)) {

        // it is mysql timestamp format of YYYYMMDDHHMMSS?

        return mktime(substr($string, 8, 2), substr($string, 10, 2), substr($string, 12, 2),

            substr($string, 4, 2), substr($string, 6, 2), substr($string, 0, 4));

    } elseif (is_numeric($string)) {

        // it is a numeric string, we handle it as timestamp

        return (int)$string;

    } else {

        // strtotime should handle it

        $time = strtotime($string);

        if ($time == -1 || $time === false) {

            // strtotime() was not able to parse $string, use "now":

            return time();

        }

        return $time;

    }

}