Does the custom model in thinkphp get the value of the address bar get?

The method of invoking the custom model in the controller just calls the method in model
No access to the model why can get to the address bar parameters?

I (' get.xxx ') with TP comes with a method that can get to the

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The method of invoking the custom model in the controller just calls the method in model
No access to the model why can get to the address bar parameters?

I (' get.xxx ') with TP comes with a method that can get to the

$_get is a global predefined constant that can be accessed anywhere in the PHP program, and it is important to note that it is not recommended to get such parameters directly from the environment in the framework, and you should use the framework-defined method to get

One problem is why the controller does not pass parameters to the model
and a little bit. If you don't get a value in the model you can only indicate that your file is wrong, or that the statement was skipped by the conditional statement.

tp3.2 can use I ("Get.name") to get to the name value
5.0 using the input class to specify the method to get the feeling you basically do not use the 5.0 version is not explained in detail

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