I'd imagine that if you are creating a commodity, rather than a bespoke solution, then it's good to offer PHP 4 support to your customers. So, for example, a s

I'd imagine that if you are creating a commodity, rather than a bespoke solution, then it's good to offer PHP 4 support to your customers. So, for example, a shopping cart product built on a legacy framework, might sell better with support for PHP 4.