How to pass parameters in thinkphp

ThinkPHP is a PHP open source framework based on MVC architecture. There are many ways to pass parameters. Here are some commonly used methods.

1. Passing parameters in GET method
   The parameters passed in the page address bar are obtained through the $_GET global variable.

For example: http://localhost/index.php/Home/Index/index?id=1

It can be obtained in the controller like this: $id = $_GET[ 'id'];

2. POST parameter transmission
   During the form submission process, data is obtained through the $_POST global variable.

For example: there is an input box in the form whose name attribute is age. It can be obtained in the controller like this: $age = $_POST['age'];

3. URL address passing parameters

For example: Generate route in the controller:

$url = url('index/details', ['id' => 1] );

Access in routing:

public function details($id)
{

echo $id;

}

4. passed in SESSION mode Parameters

For example: Assign a value in a page: session('username', 'tom');

Can be obtained in the controller like this: $username = session(' username');

5. Pass parameters via COOKIES

For example: assign a value in a page: cookie('username', 'tom', 3600);

It can be obtained in the controller like this: $username = cookie('username');

6. REQUEST way to pass parameters

This is a more flexible way method, it supports both GET and POST methods.

For example: $id = request()->param('id');

Summary

These are relatively common methods of passing parameters, allowing developers to More flexible and convenient use in projects. In project development, we need to flexibly choose the appropriate way to transfer parameters based on the actual situation.

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