filectime
int filectime(string filename) Retrieves the time when the file was last changed.
Returns:
Time; FALSE on error
Description:
Returns the time when the specified file was last changed. The return value is a UNIX timestamp.
Note:
The results of this function are cached. See clearstatcache() for details.
Example:
Show date of last modification
$filetime = filectime("myfile");
echo (date("d M Y", $filetime));
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