/**
* 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|UTF8String $string date object, timestamp or string that can be converted using strtotime()
*
* @return int
*/
function smarty_make_timestamp($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;
}
}
