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