Many tutorials on this site will ask you to create a phpinfo file to find specific information like what version of PHP you have etc…

Creating a PHP info file is quite easy

1. Create a new file and name it phpinfo.php.
2. Paste the following into your new file:
   <?php
     phpinfo();
   ?>
3. Upload the new file to your website’s public_html directory.
4. To access your phpinfo file, open a web browser and visit http://www.yoursite.com/phpinfo.php