(PHP 4, PHP 5, PHP 7)
getlastmod — Gets time of last page modification
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().
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.
Example #1 getlastmod() example
<?php
// outputs e.g. 'Last modified: March 04 1998 20:43:59.'
echo "Last modified: " . date ("F d Y H:i:s.", getlastmod());
?>