Micro optim using explicit root namespaces #24866
Merged
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Just doing that makes my local hello world as fast on 3.3 as on 4.0.
Spotted using Blackfire to identify the hot path.
Confirmed using both
ab
andblackfire curl
on a localphp -S
.It's not the first time these root namespaces make a measurable difference (on a selected list of functions only, see PHP-CS-Fixer/PHP-CS-Fixer#3048.)
PHP-CS-Fixer/PHP-CS-Fixer#3222 might become a more generic fix for this kind of optims.