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PHP Quiz PHP CertificatePHP 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"));
?>
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.
Last modified: February 14 2006 13:22:46.
Complete PHP Filesystem Reference
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