What is the purpose of using $PHP_SELF in PHP code?

The $PHP_SELF variable in PHP is used to refer to the current script file name. It can be useful when creating forms or links that need to refer back to the current page. By using $PHP_SELF, you can ensure that the form data is submitted to the same page, allowing for easier data processing and error handling. 

<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">
  // Form fields here
  <input type="submit" value="Submit">
</form>

Keywords

$PHP_SELF PHP code purpose form submission security vulnerability

Related Questions