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This article mainly explains "what is the generator in php". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn what is the generator in php.

1. The generator provides an easier way to implement simple object iterations. Compared to defining classes, performance overhead and complexity are greatly reduced.

2. The generator allows you to write code in foreach code blocks to iterate over a set of data without creating an array in memory, which will make memory reach the upper limit or take up a considerable amount of processing time.

Example

Public function testYield ($nums) {foreach ($nums as $num) {yield $num;}} public function index () {foreach ($this- > testYield) as $num) {dump ($num);} die () } Thank you for reading, the above is the content of "what is the generator in php". After the study of this article, I believe you have a deeper understanding of what is the generator in php, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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