FilesystemIterator
PHP Manual

FilesystemIterator::__construct

Constructs a new filesystem iterator

Description

public FilesystemIterator::__construct(string $directory, int $flags = FilesystemIterator::KEY_AS_PATHNAME | FilesystemIterator::CURRENT_AS_FILEINFO | FilesystemIterator::SKIP_DOTS)

Constructs a new filesystem iterator from the directory.

Parameters

directory

The path of the filesystem item to be iterated over.

flags

Flags 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

Errors/Exceptions

Throws an UnexpectedValueException if the directory does not exist.

Throws a ValueError if the directory is an empty string.

Changelog

Version Description
8.2.0 Prior to PHP 8.2.0, FilesystemIterator::SKIP_DOTS was always set and could not be removed.
8.0.0 Now throws a ValueError if directory is an empty string; previously it threw a RuntimeException.

Examples

Example #1 FilesystemIterator::__construct example

<?php
$it = new FilesystemIterator(dirname(__FILE__), FilesystemIterator::CURRENT_AS_FILEINFO);
foreach ($it as $fileinfo) {
    echo $fileinfo->getFilename() . "\n";
}
?>

Output of the above example in PHP 8.2 is similar to:

.
..
apples.jpg
banana.jpg
example.php

Output of the above example prior to PHP 8.2.0 is similar to:

apples.jpg
banana.jpg
example.php

See Also

  • FilesystemIterator::setFlags
  • DirectoryIterator::__construct