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Three ways to delete a directory using php rmdir

WBOY
WBOYOriginal
2016-07-25 09:00:131306browse
I will introduce to you three methods of deleting a directory using the rmdir command in PHP. Friends in need can refer to it.

1. Submission of regulations

<?php
//递归删除目录
//by bbs.it-home.org
deleteDir($dir) 
{ 
if (rmdir($dir)==false && is_dir($dir)) { 
if ($dp = opendir($dir)) { 
while (($file=readdir($dp)) != false) { 
if (is_dir($file) && $file!='.' && $file!='..') { 
deleteDir($file); 
} else { 
unlink($file); 
} 
} 
closedir($dp); 
} else { 
exit('Not permission'); 
} 
} 
} 

2. Depending on the system, call the delete command separately

function del_dir($dir) 
{ 
if(strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') { 
$str = "rmdir /s/q " . $dir; 
} else { 
$str = "rm -Rf " . $dir; 
} 
} 

3. Circular method

function deltree($pathdir) 
{ 
echo $pathdir;//调试时用的 
if(is_empty_dir($pathdir))//如果是空的 
{ 
rmdir($pathdir);//直接删除 
} 
else 
{//否则读这个目录,除了.和..外 
$d=dir($pathdir); 
while($a=$d->read()) 
{ 
if(is_file($pathdir.'/'.$a) && ($a!='.') && ($a!='..')){unlink($pathdir.'/'.$a);} 
//如果是文件就直接删除 
if(is_dir($pathdir.'/'.$a) && ($a!='.') && ($a!='..')) 
{//如果是目录 
if(!is_empty_dir($pathdir.'/'.$a))//是否为空 
{//如果不是,调用自身,不过是原来的路径+他下级的目录名 
deltree($pathdir.'/'.$a); 
} 
if(is_empty_dir($pathdir.'/'.$a)) 
{//如果是空就直接删除 
rmdir($pathdir.'/'.$a); 
} 
} 
} 
$d->close(); 
echo "必须先删除目录下的所有文件";//我调试时用的 
} 
} 
function is_empty_dir($pathdir) 
{ 
//判断目录是否为空 
$d=opendir($pathdir); 
$i=0; 
while($a=readdir($d)) 
{ 
$i++; 
} 
closedir($d); 
if($i>2){return false;} 
else return true; 
}


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