PHP | DirectoryIterator getMTime() Function

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

// 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

// 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 => geeks.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.

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Article Tags :

• Web Technologies
• PHP
• PHP-function
• PHP-Iterators