PHP implements the function of preventing repeated submission of forms [based on token verification]

This article mainly introduces the function of preventing repeated submission of forms in PHP, and analyzes the relevant operating techniques of PHP based on token verification to prevent repeated submission of forms. It is very simple and practical. Friends in need can refer to it

The example in this article describes how PHP implements the function of preventing repeated submission of forms. I share it with you for your reference, as follows:

There are many ways to prevent repeated submission of forms, so today I will introduce to you how to effectively prevent repeated submission of forms in PHP.

The code is very simple

I believe you are very smart and share a small demo with you, you can learn from it:

Specific code:

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