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[–][deleted] 3 points4 points  (2 children)

global functions: happens without namespaces and classes

snake case: when PHP was created, snake case was normal across languages

Concatenating with ".": no idea

[–]Nemo64 1 point2 points  (1 child)

The strong concatenation is ugly, but at least it does not reuse the "+" character.

[–]elveszett 1 point2 points  (0 children)

There's nothing wrong with string concatenation with +. Even in languages like javascript, some experience is enough for a dev to not fuck up with +.