The FilesystemIterator::next() function is an inbuilt function in PHP which is used to move to the next file element.
Syntax:
void FilesystemIterator::next( void )
Parameters: This function does not accept any parameters.
Return Value: This function does not return any value.
Below programs illustrate the FilesystemIterator::next() function in PHP:
Program 1:
<?php // Create new file system iterator $fileItr = new FilesystemIterator(dirname( __FILE__ ));
// Check for validity of file iterator while ( $fileItr ->valid()) {
// Check for directory
if ( $fileItr ->isDir()) {
// Display the filename
echo $fileItr ->getFilename() . "<br>" ;
}
// Move to the next element
$fileItr ->next();
} ?> |
Output:
dashboard img webalizer xampp
Program 2:
<?php // Create new file system iterator $fileItr = new FilesystemIterator(dirname( __FILE__ ),
FilesystemIterator::KEY_AS_FILENAME);
// Loop runs while file iterator is valid while ( $fileItr ->valid()) {
// Check if file iterator is not directory
if (! $fileItr ->isDir()) {
// Display the key element
echo $fileItr ->key() . "<br>" ;
}
// Move to the next element
$fileItr ->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/filesystemiterator.next.php