I recommend you contact Michael Ross and hook him up with your client. He is probably one of the most skilled and reliable PHP programmers of our Meetup Group, and runs his own business full-time.
No, my policy is to charge a fee for my services, due when the work is complete. I do not undertake any speculative work. Working for free dilutes the value of freelance work for everyone involved. You can read why spec work hurts both of us.
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