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 geeks.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