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Homephp教程php手册PHP中使用glob函数实现一句话删除某个目录下的所有文件

这篇文章主要介绍了PHP中使用glob函数实现一句话删除某个目录下的所有文件,重点在glob函数的使用上,需要的朋友可以参考下

收集自网上:

复制代码 代码如下:


array_map('unlink',glob('*'));


抛砖引玉而已,有很多朋友可能还不知道有glob这个函数吧。更多的用法看手册吧。

PHP glob() 函数

定义和用法

glob() 函数返回匹配指定模式的文件名或目录。
该函数返回一个包含有匹配文件 / 目录的数组。如果出错返回 false。

语法

复制代码 代码如下:


glob(pattern,flags)

参数 描述

file 必需。规定检索模式。

size

可选。规定特殊的设定。

注释:GLOB_ERR 是 PHP 5.1 添加的。

使用例子

例子 1

复制代码 代码如下:

print_r(glob("*.txt"));
?>


输出类似:

复制代码 代码如下:

Array
(
[0] => target.txt
[1] => source.txt
[2] => test.txt
[3] => test2.txt
)


例子 2

复制代码 代码如下:

print_r(glob("*.*"));
?>


输出类似:

复制代码 代码如下:

Array
(
[0] => contacts.csv
[1] => default.php
[2] => target.txt
[3] => source.txt
[4] => tem1.tmp
[5] => test.htm
[6] => test.ini
[7] => test.php
[8] => test.txt
[9] => test2.txt
)


Ps:这是一个神奇的函数。 ,
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