PHP readdir() 函数

打开一个目录，读取它的内容，然后关闭：

   <?php
  $dir = "/images/";
  
  // Open a directory, and read its contents
  if (is_dir($dir)){
   if ($dh = opendir($dir)){
   while (($file = readdir($dh)) !== false){
   echo "filename:" . $file . "<br>";
   }
   closedir($dh);
   }
  }
  ?>
 

结果：