alt Hacker NewsThe problem is that first class callables actually makes a new object wrapper for each reference, so trim(…) != trim(…). (It can be true in some cases, it depends if the memory is freed for the first reference).
The problem is that first class callables actually makes a new object wrapper for each reference, so trim(…) != trim(…). (It can be true in some cases, it depends if the memory is freed for the first reference).
And how is Closure::fromCallable('trim') recommended by the article any better in that respect?