Shulou(Shulou.com)06/02 Report--

This article mainly introduces the advantages and usage of generators in PHP. In daily operation, I believe many people have doubts about the advantages and usage of generators in PHP. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for you to answer the doubts about the advantages and usage of generators in PHP. Next, please follow the editor to study!

Advantages

To talk about the concept directly, it is estimated that you are still confused after listening to it, so let's talk about the advantages first, which may interest you. So what are the advantages of the generator as follows:

The generator will have a great impact on the performance of PHP applications.

PHP code saves a lot of memory when it runs

It is more suitable for calculating large amounts of data.

So how on earth are these magical functions done? Let's give an example first.

Concept introduction

First, let go of the generator concept and look at a simple PHP function:

Function createRange ($number) {$data = []; for

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