What would cause a print_r and/or a var_dump to fail debugging a variable?

Question

I\'m attempting to debug the PayPal review process in Magento. Every time I try to dump the following variable I get a white page:

//the variable declaration         


        

Answer 1

A PHP parse and fatal error would produce this. You may want to have a look at your error log.

You could try adding the following lines to the beginning of your php files (just after the opening PHP tag "

ini_set('display_errors',1);
error_reporting(E_ALL);