"You can't do:
$something->doStuff()[0]"
Yes you can.
"Speed"
Care to expand on this one?
Yes you can.
"Speed"
Care to expand on this one?
AFAIK, yes, in PHP 5.4 only so far, which is only about 4 months old. The first 15+ years of PHP's life, no, that wasn't possible. I'm glad it's there now, but frustrated it took so long.