To check this you will need to create simple info.php file.
Login into your cpanel, go to file manager, and in public_html directory create info.php file.
Open info.php file and write this:
<?php
// Show all information, defaults to INFO_ALL
phpinfo();
?>
Save and close file.
After that you should go to your domain and write /info.php
So if your domain is: testingphp.com URL should be testingphp.com/info.php
If you have ioncube this will say: http://screencast.com/t/gflryO1ZfrZ
And on top of the page you will have php version.
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