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# touch

(PHP 3, PHP 4, PHP 5)

touch -- Sets access and modification time of file

## Description

bool touch ( string filename [, int time [, int atime]] )

Attempts to set the access and modification times of the file named in the filename parameter to the value given in time. If time is not supplied, the current system time is used. If the third parameter, is present, the access time of the given filename is set to the value of atime. Note that the access time is always modified, regardless of the number of parameters.

If the file does not exist, it will be created. Returns `TRUE` on success or `FALSE` on failure.

Warning
It is not currently possible to change the modification time of a directory with this function under Windows.

Example 1. touch() example
`<?php if (touch($FileName)) { echo "$FileName modification time has been changed to present time"; } else { echo "Sorry, could not change modification time of $FileName"; } ?>`

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