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PHP opendir() function with example

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

PHP opendir() function

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

Syntax:

    opendir(path,context);

Parameter(s):

• path – It is the path (name) to the directory to be opened.
• 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.

Return value:

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

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

<?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

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

Reference: PHP opendir() function