(PHP 4, PHP 5)
filemtime — Gets file modification time
This function returns the time when the data blocks of a file were being written to, that is, the time when the content of the file was changed.
Path to the file.
Returns the time the file was last modified, or FALSE in case of an error. The time is returned as a Unix timestamp, which is suitable for the date() function.
Example#1 filemtime() example
<?php
// outputs e.g. somefile.txt was last modified: December 29 2002 22:16:23.
$filename = 'somefile.txt';
if (file_exists($filename)) {
echo "$filename was last modified: " . date ("F d Y H:i:s.", filemtime($filename));
}
?>
Note: Tämän funktion tulokset tallennetaan välimuistiin. Katso tarkemmat tiedot clearstatcache() sivulta.
PHP 5.0.0 versiosta lähtien tämä funktio tukee myös joitakin URL tyyppejä. Katso myös List of Supported Protocols/Wrappers.