It's looking likely that {} will be deprecated in PHP 7.4, and since it's used throughout the PM core we have some work to do to avoid a mess when that happens.
https://wiki.php.net/rfc/deprecate_curly_braces_array_access
Also note the presence of a migration script along with the RFC.
https://gist.github.com/theodorejb/763b83a43522b0fc1755a537663b1863
A migration script from the curly braces, don't know if it'll help just thought I'll post it here for you.
no idea why github didn't auto-close this ...
FYI: GitHub doesn't close issues until commits with auto-close messages are merged into the master brunch
False, they have to be merged into the default branch, which is currently stable.
Umm, please refer this page, that's about PR.
If the commit is in a non-default branch, the issue will remain open and the issue will be referenced with a tooltip.
that's exactly what i said ...
Lol my extremely fault