> The question is, given that PHP is the current language, with all its faults, will it it cost more (including all definitions of cost) to make the switch? How

> The question is, given that PHP is the current language, with all its faults, will it it cost more (including all definitions of cost) to make the switch? How long will it take? Does it get the job done? How bad is the damage? An excellent point. Which in fact is an argument in favor of modularizing your code as much as possible, as early as possible. There are tools now like Apache Thrift which make this easier: http://thrift.apache.org/ http://thrift.apache.org/