DirectoryIterator::isDir

(PHP 5, PHP 7, PHP 8)

DirectoryIterator::isDir — Determine if current DirectoryIterator item is a directory

说明

public DirectoryIterator::isDir(): bool

Determines if the current DirectoryIterator item is a directory.

参数

此函数没有参数。

返回值

Returns true if it is a directory, otherwise false

范例

示例 #1 DirectoryIterator::isDir() example

This example lists the directories within the directory of the current script.


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

以上例程的输出类似于：

.
..
apples
bananas
pears

参见

DirectoryIterator::getType() - Determine the type of the current DirectoryIterator item
DirectoryIterator::isDot() - Determine if current DirectoryIterator item is '.' or '..'
DirectoryIterator::isFile() - Determine if current DirectoryIterator item is a regular file
DirectoryIterator::isLink() - Determine if current DirectoryIterator item is a symbolic link

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User Contributed Notes 1 note

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dev at mike dot pp dot ua ¶

3 years ago


Documentation is a bit misleading.

DirectoryIterator->isDir() and other classes (e.g. SplFileInfo->isDir()) return TRUE for symlinks of directories. Better use getType() method instead, which returns 'link' for symlinks.

This was reported long time ago - https://bugs.php.net/bug.php?id=72364 , but docs are still not fixed.

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备份地址：http://www.lvesu.com/blog/php/directoryiterator.isdir.php