Optimizing PHP performance by using fully-qualified function calls
A fully qualified function name is a little bit faster than a non-qualified one. Toon Verwerft explains it all in his lastest blogpost.
Today, a little conversation on Twitter escalated rather quickly. Apparently PHP runs function calls differently depending on namespaced or non namespaced context. When calling functions in a namespaced context, additional actions are triggered in PHP which result in slower execution. In this article, I'll explain what happens and how you can speed up your application.
http://veewee.github.io/blog/optimizing-php-performance-by-fq-function-calls/
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