PHP | DirectoryIterator __toString() Function
The DirectoryIterator::__toString() function is an inbuilt function in PHP which is used to return the file name of the current DirectoryIterator item.
Syntax:
string DirectoryIterator::__toString( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns the file name of the current DirectoryIterator item.
Below programs illustrate the DirectoryIterator::__toString() function in PHP:
Program 1:
php
<?php // Create a directory Iterator $directory = new DirectoryIterator(dirname( __FILE__ )); // Loop runs while directory element is valid while ( $directory ->valid()) { // Display the filename in string format echo $directory ->__toString() . "<br>"; // Move to the next element $directory ->next(); } ?> |
Output:
. .. applications.html bitnami.css dashboard favicon.ico Beginner.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 for each element of directory foreach ( $directory as $dir ) { // Display the key and filename echo $directory ->key() . " => " . $directory ->__toString() . "<br>"; } ?> |
Output:
0 => . 1 => .. 2 => applications.html 3 => bitnami.css 4 => dashboard 5 => favicon.ico 6 => Beginner.PNG 7 => gfg.php 8 => img 9 => index.php 10 => Sublime Text Build 3211 x64 Setup.exe 11 => webalizer 12 => xampp
Note: The output of this function depends on the content of server folder.
Reference: https://www.php.net/manual/en/directoryiterator.tostring.php