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This article mainly shows you "PHP how to generate a unique promotion / discount code", the content is easy to understand, well-organized, hope to help you solve your doubts, the following let the editor lead you to study and learn "PHP how to generate a unique promotion / discount code" this article.

Needs to be considered

The code should be easy to remember, so it's a good idea to keep it short so that users can remember it easily

No special characters! It should be an alphanumeric combination, because it will always be easier for users to remember.

Length promotion / discount code is correct. There is no standard length because it depends on the length you want to generate, for example, if you want to generate 1000 code, then you need to code in at least 4 characters. The promotion / discount code is usually 4 to 8 characters long, but it depends on your requirements.

All right, let's get started! Let's take a look at the code, and then I'll explain it in detail. It's easy.

The copy code is as follows:

The code consists of three parameters

The first parameter is the number of discount codes you want to generate (in this case, 50). The second parameter, exclude array, ensures that a unique preference code is generated in the current list, so if you already have some unused code in the database, you can pass it to exclude. The last parameter is the length of the discount code. This function will return the discount code of the specified length, here is the 4-digit discount code.

The above is all the contents of the article "how to generate unique promotions / offers / discount codes for PHP". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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