Yes, and it was exacerbated by mod_perl in Apache basically working by taking a Perl script/CGI and using eval to turn it into a sub, meaning any subs defined i

Yes, and it was exacerbated by mod_perl in Apache basically working by taking a Perl script/CGI and using eval to turn it into a sub, meaning any subs defined in that script (and not a module it included) to accidentally create closures easily, which really played havoc, and so people adopted... interesting workarounds[1], all in the name of performance. 1: https://news.ycombinator.com/item?id=11670454 https://news.ycombinator.com/item?id=11670454