PHP closedir() 函数

例子

<?php
//打开 images 目录
$dir = opendir("images");

//列出 images 目录中的文件
while (($file = readdir($dir)) !== false)
  {
  echo "filename: " . $file . "<br />";
  }
  closedir($dir);
?>  

输出： 电脑知识www.boydavid.com

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