Arrays have allowed a trailing comma since forever and calls did not, which is why a multi-line call always produced a two-line diff when an argument was added.…
PHP’s sorts are not stable, so two elements the comparator calls equal may come out in either order — and that order can differ between array sizes, because…
Materialising a generator with iterator_to_array preserves keys by default, and a generator that yields without a key restarts its counter on every inner traversal — so a nested…
A refused upgrade produces a wall of conflict output that names twenty packages and does not say which one is responsible. prohibits answers the question directly. why-not is…