PHP | DirectoryIterator getCTime() Function

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The DirectoryIterator::getCTime() function is an inbuilt function in PHP which is used to get the inode change time of the current DirectoryIterator item.

Syntax:

int DirectoryIterator::getCTime( void )

Parameters: This function does not accept any parameters.

Return Value: This function returns the last change time of the file in Unix timestamp format.

Below programs illustrate the DirectoryIterator::getCTime() 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 if the element is directory 
    if ($directory->isDir()) { 
  
        // Store the current element 
        $file = $directory->current(); 
  
        // Display the file name and  
        // inode change time 
        echo $file->getFilename() . " | CTime: "
                . $directory->getCTime() . "<br>"; 
    } 
  
    // Move to the next element 
    $directory->next(); 
} 
?>  

Output:

. | CTime: 1574350718
.. | CTime: 1574350715
dashboard | CTime: 1574350718
img | CTime: 1574350718
webalizer | CTime: 1574350718
xampp | CTime: 1574350718

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  
    // its inode change time 
    echo $dir->key() . " => " .  
        $file->getFilename() . " | CTime: " . 
        $dir->getCTime() . "<br>"; 
} 
?> 

Output:

0 => . | CTime: 1574350718
1 => .. | CTime: 1574350715
2 => applications.html | CTime: 1574350724
3 => bitnami.css | CTime: 1574350724
4 => dashboard | CTime: 1574350718
5 => favicon.ico | CTime: 1574350724
6 => zambiatek.PNG | CTime: 1574478578
7 => gfg.php | CTime: 1574351394
8 => img | CTime: 1574350718
9 => index.php | CTime: 1574350723
10 => webalizer | CTime: 1574350718
11 => xampp | CTime: 1574350718

Note: The output of this function depends on the content of server folder.

Reference: https://www.php.net/manual/en/directoryiterator.getctime.php

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