Re: High performance function autoloading

On Mon, 20 May 2019, 20:01 Gabriel O, <gadelat@gmail.com> wrote: > > On 20 May 2019 7:17:58 PM Theodore Brown <theodorejb@outlook.com> wrote: > > > Every time function autoloading been brought up in the past, there > > have been concerns about performance issues when calling a global > > function from inside a namespace. E.g. calling strlen in a > > loop > > would become far slower if every call has to trigger the autoloader. > > This trick for perf improvement is overblown. It's misconception that it > does provide speed advantage for most functions and reasons behind it. It > does so only for those implemented as opcodes. People started to abuse it > by importing ALL functions. Such overzealous approach completely prevents > useful things like function mocking. > Disabling function mocking is good ©️ It was a terrible practice in first place, and it is usually done for impure functions that should be wrapped in integration-tested adapters.