(PHP 5 >= 5.3.0)
FilesystemIterator::__construct — Constructs a new filesystem iterator
$path
   [, int $flags = FilesystemIterator::KEY_AS_PATHNAME | FilesystemIterator::CURRENT_AS_FILEINFO | FilesystemIterator::SKIP_DOTS
  ] )
   Constructs a new filesystem iterator from the path.
  
pathThe path of the filesystem item to be iterated over.
flagsFlags may be provided which will affect the behavior of some methods. A list of the flags can found under FilesystemIterator predefined constants. They can also be set later with FilesystemIterator::setFlags()
No value is returned.
   Throws an UnexpectedValueException
   if the path cannot be found.
  
Example #1 FilesystemIterator::__construct() example
<?php
$it = new FilesystemIterator(dirname(__FILE__));
foreach ($it as $fileinfo) {
    echo $fileinfo->getFilename() . "\n";
}
?>
The above example will output:
apples.jpg banana.jpg example.php