I have an online shopping site. I am selling electronic products like PDAs and Mobiles etc... I would like to write a code so customers at the first place can filter PDA's results according to operating system. Let say there are 30 PDAs that has 400Mhz CPU. After that, there should be other filter option that customer can select memory. Let say customer selected 256MB memory and there are 14 PDAs. At the last step, customer will be able to select PDAs between price £ 150 and £ 250. In the end, customer will have, for instance, 6 PDAs and he will see those 6 PDAs has 400Mhz CPU, 256MB memory and it's between £ 150 and £ 250 so those PDAs will be suitable for that customer. What is the best way of creating structure of that logic with PHP and MySQL. I can give you an example site that does it so you can understand better. http://dealtime.co.uk/xPP-Personal_Organisers
. Please filter some brands or prices to see how the logic works.