Shulou(Shulou.com)05/31 Report--

This article mainly explains "what is the reason why php7 is faster than php5". The explanation in this article is simple and clear, easy to learn and understand. Please follow the ideas of Xiaobian slowly and deeply to study and learn "what is the reason why php7 is faster than php5" together!

1. Reduce variable storage bytes, reduce memory occupation, and improve variable running speed.

2. Improve the array structure, allocate array elements and hash mapping tables to the same memory, reduce memory occupation, and improve CPU cache hit rate.

3. Improve the function calling mechanism, reduce some instructions and improve execution efficiency by optimizing parameter transfer links.

Running speed comparison

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