PHP: MySQL query duplicating update for no reason

Question

The code below is first the client code, then the class file.

For some reason the \'deductTokens()\' method is calling twice, thus charging an account double. I\'ve been

Answer 1

I know this will sound strange but make sure that you don't have tag with empty src="" attribute or any css style refering to empty url (like background: url();) on your site around the place when you have your code that runs twice.

Read about some trouble this may cause here: http://hi.baidu.com/zhenyk/blog/item/38a1051fc63b96c3a686698f.html