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Homephp教程php手册php最简单的删除目录与文件实现方法

这篇文章主要介绍了php最简单的删除目录与文件实现方法,只需要两行代码即可实现删除目录与文件的功能,是非常实用的技巧,需要的朋友可以参考下

本文实例讲述了php最简单的删除目录与文件实现方法。分享给大家供大家参考。

具体实现代码如下:

复制代码 代码如下:

 //删除目录下所有空目录
 array_map('rmdir', glob('*', GLOB_ONLYDIR));
 //删除目录所有文件
 array_map('unlink', array_filter(glob('*'), 'is_file'));
?>


原理分析:array_map('rmdir', glob('*', GLOB_ONLYDIR));

删除简单是使用了array_map函数,它的作用是返回用户自定义函数作用后的数组,回调函数接受的参数数目应该和传递给 array_map() 函数的数组数目一致,而glob是遍历目录,然后把返回数组给了rmdir进行目录删除,然后:

复制代码 代码如下:

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

原理差不多了,就是遍历目录之后我们再删除指定目录中的文件即可.

希望本文所述对大家的PHP程序设计有所帮助。

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