GoDaddy PHP Developer interview questions

Phone interview to start, asked alot of questions about examples of ow I handled different situations. How would you go about debugging a slow running sql query, describe a time when you failed at a project and how you handled it. That yielded an in person interview, with skills assessment and IQ test, followed by a panel interview with 4 technical managers and quizzed about every item on the skills assessment plus some whiteboard time - code a math function in php.