PHP | is_writable() 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_writable() Function.

The is_writable() function checks whether the specified file is writable.

Syntax

Following below is the syntax to use this function -

bool is_writable ( string $filename )

READ: PHP | is_link() Function

This built-in PHP function returns true if the filename exists and writable. The filename argument may be a directory name that lets us to check if the directory is writable.

Return Value

This built-in PHP function returns true if the file is writable, otherwise it returns false.

Example

Try out the below example -

<?php
   $file = "/PhpProject/php/phptest.txt";
   if(is_writable($file)) {
       echo ("$file is writable");
   } else {
       echo ("$file is not writable");
   }
?>

Output

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

/PhpProject/php/phptest.txt is writable

READ: PHP | is_uploaded_file() Function

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_writeable() 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.