The DirectoryIterator::getMTime() function is an inbuilt function in PHP which is used to returns the last modification time of the current DirectoryIterator item.
Syntax:
int DirectoryIterator::getMTime( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns the last modification time of the file in Unix timestamp format.
Below programs illustrate the DirectoryIterator::getMTime() function in PHP:
Program 1:
php
<?php   // Create a directory Iterator $directory = new DirectoryIterator(dirname(__FILE__));   // Loop runs while directory is valid while ($directory->valid()) {       // Check it is directory or not     if ($directory->isDir()) {           $file = $directory->current();           // Display the filename and last modified time         echo $file->getFilename() . " | MTime: "                . $directory->getMTime() . "<br>";     }       // Move to the next element of directory     $directory->next(); } ?> |
Output:
. | MTime: 1574616421 .. | MTime: 1574540515 dashboard | MTime: 1574350724 img | MTime: 1574350724 webalizer | MTime: 1574350718 xampp | MTime: 1574350724
Program 2:
php
<?php   // Create a directory Iterator $directory = new DirectoryIterator(dirname(__FILE__));   // Loop runs for each element of directory foreach($directory as $dir) {           // Store the current element of directory     $file = $directory->current();           // Display the key, filename and last modified time     echo $dir->key() . " => " .         $file->getFilename() . " | MTime: " .         $dir->getMTime() . "<br>"; } ?> |
Output:
0 => . | MTime: 1574616421 1 => .. | MTime: 1574540515 2 => applications.html | MTime: 1566914572 3 => bitnami.css | MTime: 1566914572 4 => dashboard | MTime: 1574350724 5 => favicon.ico | MTime: 1437060752 6 => neveropen.PNG | MTime: 1573806007 7 => gfg.php | MTime: 1574653649 8 => img | MTime: 1574350724 9 => index.php | MTime: 1437060752 10 => webalizer | MTime: 1574350718 11 => xampp | MTime: 1574350724
Note: The output of this function depends on the content of server folder.
Reference: https://www.php.net/manual/en/directoryiterator.getmtime.php
