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
-
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_DOTSis 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.
更新日誌
| 版本 | 說明 |
|---|---|
| 8.0.0 | Now throws a ValueError if directory is an empty string;
previously it threw a RuntimeException. |
範例
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
- FilesystemIterator::setFlags() - Sets handling flags
- DirectoryIterator::__construct() - Constructs a new directory iterator from a path