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(PHP 5 >= 5.3.0, PHP 7, PHP 8)
FilesystemIterator::__construct — Constructs a new filesystem iterator
$directory, int $flags = FilesystemIterator::KEY_AS_PATHNAME | FilesystemIterator::CURRENT_AS_FILEINFO | FilesystemIterator::SKIP_DOTS)
Constructs a new filesystem iterator from the directory.
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.
Throws an UnexpectedValueException
if the directory does not exist.
Throws a ValueError
if the directory is an empty string.
| 版本 | 说明 |
|---|---|
| 8.0.0 |
Now throws a ValueError if
directory is an empty string;
previously it threw a RuntimeException.
|
示例 #1 FilesystemIterator::__construct() example
<?php
$it = new FilesystemIterator(dirname(__FILE__));
foreach ($it as $fileinfo) {
echo $fileinfo->getFilename() . "\n";
}
?>
以上例程会输出：
apples.jpg banana.jpg example.php
