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PHP readdir() function with example

PHP readdir() function: Here, we are going to learn about the PHP readdir() function with its syntax, parameters, returns type, and example.
Submitted by IncludeHelp, on August 13, 2019

PHP readdir() function

The full form of readdir is "Read Directory", the function readdir() is used to read the directory i.e. read the name of the next entry in the directory.




  • dir_handle – it is an optional parameter which is used to specify the directory handle resource if we do not specify the directory handle resource – it assumes the last link opened with opendir() function.

Return value:

If the function execution is success – it returns the filename if the function execution is failed – it returns "FALSE".

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


$path = "/home";

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



Reference: PHP readdir() function

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