The subset of Composer version constraints this runtime can decide, and an explicit refusal for the rest.
Supported: exact, ^, ~, >= > <= < != =, wildcards, AND (space or comma), OR (||). Anything else (as aliases, dev- branches, inline stability flags) is unknown.
^
~
>=
>
<=
<
!=
=
||
as
dev-
unknown
The subset of Composer version constraints this runtime can decide, and an explicit refusal for the rest.
Supported: exact,
^,~,>=><=<!==, wildcards, AND (space or comma), OR (||). Anything else (asaliases,dev-branches, inline stability flags) isunknown.