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This article is about how to use filter_var to implement parameter validation in php. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Take a look at the code first:

The above code can be run directly.

How to use it:

It is recommended that you put filter_param in the common function library.

It is recommended that there is a checkParam function in each model to configure verification rules.

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