例子

<?php
echo filemtime("test.txt");
echo "Last modified: ".date("F d YH:i:s.",filemtime("test.txt"));
?>
輸出：
1139919766
Last modified: February 14 2006 13:22:46.


<?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));
}
?>

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