I've written some auto-getter and setter spawners and with reflection it's pretty do-able to implement proper type checking as long as the type you want to chec

I've written some auto-getter and setter spawners and with reflection it's pretty do-able to implement proper type checking as long as the type you want to check for matches the type declared on the property. PHP meta-coding is actually quite advanced and pretty accessible compared to what I've done in other languages.