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Homephp教程PHP源码php中Rmdir、Mkdir、unlink(目录删除,创建)用法

在php中对目录操作不像asp中的fso我们可直接使用Rmdir、Mkdir、unlink对目录文件的创建与删除,下面我来一一介绍。

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Rmdir删除空目录

 代码如下 复制代码


//使用rmdir函数删除目录
$dirname="mydir"; //定义变量
rmdir($dirname);
?>

删除目录成功反应ture,反之就flase

 代码如下 复制代码


//使用rmdir函数删除目录
$dirname="mydir"; //定义变量
if( rmdir($dirname))
{
删除目录制作
}
else
{
删除目录成功
}
?>

Mkdir创建空目录

 代码如下 复制代码

//使用mkdir函数创建目录
$dirname="mydir"; //定义变量
mkdir($dirname,0700);
?>

mkdir如果创建成功就返回ture如果错误就返回false

 代码如下 复制代码

$dirname = 'testdir';
if (mkdir($dirname, 0700)) {
    echo "目录 $dirname 创建成功";
} else {
    echo "目录 $dirname 创建失败";
}
?>


unlink 删除单个文件

 代码如下 复制代码

$filename="data.txt"; //定义变量
unlink($filename);
?>

上面无法知道我们文件是否删除成功,我们加个判断即可

 代码如下 复制代码

$file = "test.txt";
if (!unlink($file))
  {
  echo ("Error deleting $file");
  }
else
  {
  echo ("Deleted $file");
  }
?>

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