getlastmod
PHP 4, PHP 5, PHP 7, PHP 8
getlastmod - Gets time of last page modification
Manual
getlastmod(
Gets the time of the last modification of the main script of execution.
If you're interested in getting the last modification time of a different file, consider using filemtime.
Parameters
This function has no parameters.
Return Values
Returns the time of the last modification of the current page. The value returned is a Unix timestamp, suitable for feeding to date. Returns false on error.