PHP IS_WRITeABLE() Function

In this article, you will learn how to check if the file is writeable or not in PHP. The is_writeable() function in PHP checks whether the specified filename is writable.

what is the syntax of the IS_WRITeABLE function in php?

is_writeable(file)

examples of the IS_WRITeABLE function

Example 1. In this example, we check whether the specified filename is writable.

<?php
$file = "test.txt";
if(is_writeable($file)) {
  echo ("$file is writable");
} else {
  echo ("$file is not writable");
}
?>