How to use PHP generator
This time I will show you how to use the PHP generator, what are the precautions when using the PHP generator, the following is a practical case, let's take a look.
1. Official description: Generators provide an easier way to implement simple object iteration. Compared with defining a class to implement the Iterator interface, the performance overhead and complexity are much greater. reduce. Generators allow you to write code in a foreach block to iterate over a set of data without creating an array in memory.
2. The generator is just like an ordinary custom function. Different from the ordinary function that only returns once, the generator can yield as many times as needed to generate the iteration that needs to be value.
3. Code example:
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4. Practical application example
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I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other php Chinese websites related articles!
Recommended reading:
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detailed explanation of phpqrcode class to generate QR codes
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The above is the detailed content of How to use PHP generator. For more information, please follow other related articles on the PHP Chinese website!

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