PHP | is_dir() Function

PHP is_dir() Function


Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP is_dir() Function.

The PHP is_dir() function checks whether the specified file is a directory.

Syntax

Following below is the syntax to use this function -

bool is_dir ( string $filename )


This built-in PHP function can tell whether the given filename is a directory.

Return Value

This built-in PHP function returns true if the directory exists.

Example1

Try out the below example -

<?php
   $file = "/PhpProject/php";
   if(is_dir($file)) {
      echo ("$file is a directory");
   } else {
      echo ("$file is not a directory");
   }
?>

Output

When the above code is executed, it will produce the following result -

/PhpProject/php is a directory

Example2

Try out the below example -

<?php
   var_dump(is_dir("/PhpProject/simple.txt"));
   var_dump(is_dir("/PhpProject/php"));
   var_dump(is_dir("..")); 
?>

Output

When the above code is executed, it will produce the following result -

bool(false)
bool(true)
bool(true)


Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the PHP is_executable() Function.

Do feel free to ask your questions where necessary and we will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.

Follow us on our various social media platforms to stay updated with our latest tutorials. You can also subscribe to our newsletter in order to get our tutorials delivered directly to your emails.

Thanks for reading and bye for now.