The blank page is because you did not enable errors display on your website. Here's how you can do it: https://drupal.org/node/1056468
you probably have a PHP error because of a missing semi-colon at the end of several lines in your code but the PHP errors should speak by themselves.
I don't mean to be rude but you clearly don't have the skills required — basic PHP — to do what you are trying to do right now. Please, at least take the time to read my article carefully and adapt the code correctly.
The blank page is because you did not enable errors display on your website. Here's how you can do it:
https://drupal.org/node/1056468
you probably have a PHP error because of a missing semi-colon at the end of several lines in your code but the PHP errors should speak by themselves.
I don't mean to be rude but you clearly don't have the skills required — basic PHP — to do what you are trying to do right now. Please, at least take the time to read my article carefully and adapt the code correctly.