Definition and Usage
定义和用法

The readdir() function returns an entry from a directory handle opened by opendir().
readdir()函数的作用是：从目录句柄中读取条目。

This function returns a filename on success and FALSE on failure.
如果函数成功执行将返回True，如果失败将返回False。

Syntax
语法

readdir(dir_stream)

Example
案例

<?php
//Open images directory
$dir = opendir("images");

//List files in images directory
while (($file = readdir($dir)) !== false) { echo "filename: " . $file . "<br />"; }

closedir($dir);
?> 

The output of the code above could be:
上述代码将输出下面的结果：

filename: .
filename: ..
filename: cat.gif
filename: dog.gif
filename: food
filename: horse.gif

评论 (0) All