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PHP filemtime() Function

< Complete PHP Filesystem Reference

Definition and Usage

The filemtime() function returns the last time the file content was modified.

This function returns the last change time as a Unix timestamp on success, FALSE on failure.

Syntax

filemtime(filename)

Parameter	Description
filename	Required. Specifies the file to check

Tips and Notes

Note: The result of this function are cached. Use clearstatcache() to clear the cache.

Example

<?php
echo filemtime("test.txt");
echo "<br />";
echo "Last modified: ".date("F d Y H:i:s.",filemtime("test.txt"));
?>

The output of the code above could be:

1139919766
Last modified: February 14 2006 13:22:46.

< Complete PHP Filesystem Reference