PHP mktime()Function
PHP Date/Time Reference Manual
Examples
Returns the UNIX timestamp of a date, then uses it to find the day of that date:
<?php
// Prints: October 3, 1975 was on a Friday
echo "Oct 3, 1975 was on a ".date("l", mktime(0,0,0,10,3,1975));
?>
// Prints: October 3, 1975 was on a Friday
echo "Oct 3, 1975 was on a ".date("l", mktime(0,0,0,10,3,1975));
?>
Run example »
Definition and Usage
The mktime() function returns the UNIX timestamp of a date.
Tip:This function is the same asgmmktime()except that the parameters passed represent a date (not a GMT date).
Syntax
mktime(hour,minute,second,month,day,year,is_dst);
| Parameter | Description |
|---|---|
| hour | Optional. Specifies the hour. |
| minute | Optional. Specifies the minute. |
| second | Optional. Specifies the second. |
| month | Optional. Specifies the month. |
| day | Optional. Specifies the day. |
| year | Optional. Specifies the year. |
| is_dst | Optional. Set to 1 if the time is during daylight saving time, 0 otherwise, or -1 (default) if unknown. If unknown, PHP tries to find it itself (which may produce unexpected results).Note:This parameter was deprecated in PHP 5.1.0. Instead, use the new timezone handling features. |
Technical Details
| Return value: | Returns an integer Unix timestamp, or FALSE on error. |
|---|---|
| PHP version: | 4+ |
| Changelog: | PHP 5.3.0: If theis_dstparameter is used, an E_DEPRECATED is thrown. PHP 5.1.0：is_dstThe parameter is deprecated. If mktime() is called without any parameters, an E_STRICT notice is thrown. Please use the time() function instead. |
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