You're right, I forgot about this abomination. I retract any praise for PHP :) But I still think having one operator "+" for scalars, one like "&" for strings

You're right, I forgot about this abomination. I retract any praise for PHP :) But I still think having one operator "+" for scalars, one like "&" for strings and another one like "++" for lists makes a lot of sense even in a dynamic language.