Two years ago, PHP&#x27;s package manager, Composer, was sped up by disabling the garbage collector:<p><a href="http:&#x2F;&#x2F;blog.ircmaxell.com&#x2F;2014&#x2F;12&#x2F;what-about-garbage.html" rel="nofollow">http:&#x2F;&#x2F;blog.ircmaxell.com&#x2F;2014&#x2F;12&#x2F;what-about-garbage.html</a><p>(Or more accurately the cycle collector. You can&#x27;t turn off reference counting.)