50 lines
1.4 KiB
PHP
50 lines
1.4 KiB
PHP
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<?php
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/**
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* Smarty shared plugin
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*
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* @package Smarty
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* @subpackage PluginsShared
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*/
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/**
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* Function: smarty_make_timestamp
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* Purpose: used by other smarty functions to make a timestamp from a string.
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*
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* @author Monte Ohrt <monte at ohrt dot com>
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*
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* @param DateTime|int|string $string date object, timestamp or string that can be converted using strtotime()
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*
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* @return int
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*/
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function smarty_make_timestamp($string)
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{
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if (empty($string)) {
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// use "now":
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return time();
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} elseif ($string instanceof DateTime
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|| (interface_exists('DateTimeInterface', false) && $string instanceof DateTimeInterface)
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) {
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return (int)$string->format('U'); // PHP 5.2 BC
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} elseif (strlen($string) === 14 && ctype_digit($string)) {
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// it is mysql timestamp format of YYYYMMDDHHMMSS?
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return mktime(
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substr($string, 8, 2),
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substr($string, 10, 2),
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substr($string, 12, 2),
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substr($string, 4, 2),
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substr($string, 6, 2),
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substr($string, 0, 4)
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);
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} elseif (is_numeric($string)) {
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// it is a numeric string, we handle it as timestamp
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return (int)$string;
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} else {
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// strtotime should handle it
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$time = strtotime($string);
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if ($time === -1 || $time === false) {
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// strtotime() was not able to parse $string, use "now":
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return time();
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}
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return $time;
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}
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}
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