touch() function in PHP

PHPProgrammingServer Side Programming

The touch() function sets access and modification time of a file. It returns TRUE on success, or FALSE on failure.

Syntax

touch(filename, time, atime)

Parameters

  • filename − Set the name of the file.

  • time − Set the time. The default is the current system time.

  • atime − Set the access time. The default is the current system time.

Return

The touch() function returns TRUE on success, or FALSE on failure.

Example

 Live Demo

<?php
$myfile = "new.txt";
// changing the modification time to current system time
if (touch($myfile)) {
   echo ("The modification time of $myfile set to current time.");
} else {
   echo ("The modification time of $myfile can’t be updated.");
}
?>

Output

The modification time of new.txt set to current time.

Let us see another example.

Example

 Live Demo

<?php
$myfile = "new.txt";
$set_time = time() - 28800;
// changing the modification time
if (touch($myfile, $set_time)) {
   echo ("The modification time of $myfile updated to 8 hrs in the past.");
} else {
   echo ("The modification time of $myfile can’t be updated.");
}
?>

Output

The modification time of new.txt updated to 8 hrs in the past.
raja
Published on 04-Oct-2018 12:07:36
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