PHP | FilesystemIterator __construct() Function

Last Updated : 26 Nov, 2019
Comments
Improve
Suggest changes
Like Article
Like
Report
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 
<?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
geeks.PNG
gfg.php
img
index.php
Sublime Text Build 3211 x64 Setup.exe
webalizer
xampp
Program 2: php 
<?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

Next Article
PHP | FilesystemIterator current() Function
author
jit_t
Improve
Article Tags :

Similar Reads