Short answer: NO. If you know what I mean.
It seems that YAML's drawbacks have created a niche for alternative better YAMLs. NEON is developed as a part of the Nette Framework and also gained some popularity as a format for PHPStan configs. But is it a better YAML?
Well, YAML's Norway Problem...
country_names: DK: Denmark NO: Norway # this works ok SE: Sweden scandinavia: - DK - NO # but this is still false - SE
Weird but valid PHP specific syntax:
# this hash&array mixture is common in PHP world but meaningless in other languages # also it's impossible in yaml php_array: - 1 - 2 - 3 four: 4 five: 5 six: 6
Okay, maybe its weird killer feature, entities, is useful for somebody but the rest of the language looks like a worse YAML to me.
Weirdly significant whitespace:
# compare to the example above # this will work exactly like yaml and produce exactly what's expected php_array: - 1 - 2 - 3 four: 4 five: 5 six: 6
... WTF? I mean, this is fine and logical but it makes the previous example even worse.