略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: DirectoryIterator::isWritable

2024-12-21

DirectoryIterator::isWritable

(PHP 5, PHP 7, PHP 8)

DirectoryIterator::isWritableDetermine if current DirectoryIterator item can be written to

说明

public DirectoryIterator::isWritable(): bool

Determines if the current DirectoryIterator item is writable.

参数

此函数没有参数。

返回值

Returns true if the file/directory is writable, otherwise false

范例

示例 #1 DirectoryIterator::isWritable() example

This example lists the files and directories which can be opened for writing in the directory containing the script.

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

以上例程的输出类似于:

apples.txt
bananas.html
pears

参见

add a noteadd a note

User Contributed Notes

There are no user contributed notes for this page.

官方地址:https://www.php.net/manual/en/directoryiterator.iswritable.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3