opendir函数_PHP opendir（）函数与示例

╰+哭是因爲堅強的太久メ 2023-03-05 12:35 20阅读 0赞

opendir函数

## PHP opendir()函数 **(**PHP opendir() function**)** ##

The full form of **opendir** is **"Open Directory"**, the **function opendir()** is used to open a directory.

**opendir**的完整形式为**“ Open Directory”** ， **函数opendir()**用于打开目录。

**Syntax:**

**句法：**

opendir(path,context);

**Parameter(s):**

**参数：**

*  path – It is the path (name) to the directory to be opened.
    
    path –是要打开的目录的路径(名称)。
 *  context – It is an optional parameter; it defines the context (a set of the options that can modify the behavior of the stream) of the directory handle.
    
    上下文 –它是一个可选参数； 它定义了目录句柄的上下文(一组可以修改流行为的选项)。

**Return value:**

**返回值：**

If function execution is success – it returns the directory handle resource if function execution is failed – it returns the "FALSE".

如果函数执行成功–如果函数执行失败，则返回目录句柄资源–返回“ FALSE”。

**Example: PHP code to open a directory, read its files, and close it**

**示例：PHP代码打开目录，读取其文件，然后关闭它**

<?php
    
    $path = "/home";
    
    //checking whether $path is a directory or not
    //then, opening the directory and reading its files
    if (is_dir($path)){
        
      if ($dh = opendir($path)){
        
        while (($file = readdir($dh)) !== false){
        
          echo "File:" . $file . "<br/>";
        }
        //closing the directory
        closedir($dh);
      }
    }
    ?>

**Output**

**输出量**

File:..
    File:main.php
    File:.

Reference: [PHP opendir() function][PHP opendir_ function]

参考： [PHP opendir()函数][PHP opendir_ function]

> 翻译自: [https://www.includehelp.com/php/opendir-function-with-example.aspx][https_www.includehelp.com_php_opendir-function-with-example.aspx]

opendir函数

[PHP opendir_ function]: https://www.w3schools.com/php/func_directory_opendir.asp
[https_www.includehelp.com_php_opendir-function-with-example.aspx]: https://www.includehelp.com/php/opendir-function-with-example.aspx