php递归操作目录 递归对参数转义

header("Content-type:text/html;charset=utf-8");

//递归读取目录
function reddir($path,$level=0)
{$dh = opendir($path);while(($row = readdir($dh)) !== false){if($row == '.' || $row == '..')continue;echo  str_repeat('&nbsp',$level*6) . $row . '<br />';if(is_dir($path . '/' . $row))reddir($path . '/' . $row , $level+1);}closedir($dh);
}
reddir($path);

 

//递归删除目录
function deldir($path,$level=0)
{//不是目录,直接返回if(!is_dir($path))return NULL;$dh = opendir($path);while(($row = readdir($dh)) != false){if($row == '.' || $row == '..')continue;//判断是否是普通文件if(!is_dir($path . '/' . $row))unlink($path . '/' . $row);elsedeldir($path . '/' . $row , $level+1);//递归把子目录删除
    }closedir($dh);rmdir($path);return true;
}
deldir($path);

 

//递归对参数进行转义
function _als($param)
{$arr = array();if(is_array($param)){foreach($param as $k=>$v){if(is_array($v))$arr[$k] = _als($v);else$arr[$k] = addslashes($v);}return $arr;}elsereturn addslashes($param);
}$arr = array('a' => "'a'",array('a' => "'a'",'b'=>array('a' => "'a'",array('a' => "'a'",'b'=>array('a' => "'a'",array('a' => "'a'",'b'=>array('a' => "'a'",'b'=>array('a' => "'a'"))))))));
$arr = _als($arr);
print_r($arr);