The DirectoryIterator::__construct() function is an inbuilt function in PHP which is used to construct a new directory iterator from a path.
Syntax:
public DirectoryIterator::__construct( string $path )
Parameters: This function accepts single parameter $path which holds the path of the directory to traverse.
Return Value: This function does not return any value.
Below programs illustrate the DirectoryIterator::__construct() function in PHP:
Program 1:
php
<?php // Create a directory Iterator $directory = new DirectoryIterator(dirname( __FILE__ )); // Loop runs for each element of directory foreach ( $directory as $dir ) { // Check if directory element is valid if ( $dir ->valid()) { // Display the filename echo $dir ->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
<?php // Create a directory Iterator $directory = new DirectoryIterator(dirname( __FILE__ )); // Loop runs while directory is valid while ( $directory ->valid()) { // Check for directory element if ( $directory ->isDir()) { // Display the filename echo $directory ->getFilename() . "<br>"; } // Move to the next element $directory ->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/directoryiterator.construct.php