How can the mktime function be used in PHP to return a Unix timestamp for a given date?

The mktime function in PHP can be used to return a Unix timestamp for a given date by specifying the hour, minute, second, month, day, and year. This function takes these parameters as arguments and returns the Unix timestamp representing the specified date and time. 

// Example of using mktime to get a Unix timestamp for a specific date
$timestamp = mktime(0, 0, 0, 10, 15, 2021);
echo $timestamp; // Output: 1634251200 (Unix timestamp for October 15, 2021)

Keywords

mktime PHP Unix timestamp date function

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