The FilesystemIterator::__construct() function is an inbuilt function in PHP which is used to construct a new filesystem iterator.
Syntax:
public FilesystemIterator::__construct( string $path, int $flags )
Parameters: This function accepts two parameters as mentioned above and described below:
- $path: This parameter holds the path of the filesystem item.
- $flags: This parameter holds the flag which provides the affect and behavior of some methods.
Return Value: This function does not return any value.
Below programs illustrate the FilesystemIterator::__construct() function in PHP:
Program 1:
<?php   // Create new file system iterator $fileItr = new FilesystemIterator(dirname(__FILE__));   // Loop runs for each element of filesystem foreach ($fileItr as $file) {       // Display the filename     echo $file->getFilename() . "<br>"; } ?> |
Output:
applications.html bitnami.css dashboard favicon.ico neveropen.PNG gfg.php img index.php Sublime Text Build 3211 x64 Setup.exe webalizer xampp
Program 2:
<?php   // Create new file system iterator $fileItr = new FilesystemIterator(dirname(__FILE__));   // Loop runs while file iterator is valid while ($fileItr->valid()) {       // Check for directory files     if ($fileItr->isDir()) {           // Display the file name         echo $fileItr->getFilename() . "<br>";     }       // Move to the next element     $fileItr->next(); }   ?> |
Output:
dashboard img webalizer xampp
Note: The output of this function depends on the content of server folder.
Reference: https://www.php.net/manual/en/filesystemiterator.construct.php
