= 5.3.0, PHP 7, PHP 8)FilesystemIterator::__construct — Constructs a new filesystem iterator說明public Filesystem">

FilesystemIterator::__construct

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

FilesystemIterator::__construct — Constructs a new filesystem iterator

說明

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.

參數(shù)

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()

注意:

FilesystemIterator::SKIP_DOTS is always set, and cannot be removed.

錯誤／異常

Throws an UnexpectedValueException if the directory does not exist.

Throws a ValueError if the directory is an empty string.

更新日志

版本 說明
8.0.0 Now throws a ValueError if directory is an empty string; previously it threw a RuntimeException.

范例

示例 #1 FilesystemIterator::__construct() example

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

以上例程會輸出：

apples.jpg
banana.jpg
example.php

參見