Detailed explanation of how ThinkPHP receives request parameters

ThinkPHP is a very popular PHP framework, and its request parameter reception is very flexible and convenient. This article will introduce in detail how to receive request parameters in ThinkPHP.

1. Receiving GET request parameters

1.1 Direct reading

The simplest way to receive GET request parameters is to read the parameters directly, as follows:

$id = $_GET['id'];

Among them,idis the name of the request parameter.

1.2 Using the input assistant function

ThinkPHP provides the input assistant function, which can also be used to receive GET request parameters, as follows:

$id = input('get.id');

Among them,getIndicates the request method used,idis the name of the request parameter.

1.3 Using I assistant function

ThinkPHP also provides I assistant function, which can also be used to receive GET request parameters, as follows:

$id = I('get.id');

Among them,getindicates the request method used,idis the name of the request parameter.

2. Receiving POST request parameters

2.1 Direct reading

The simplest way to receive POST request parameters is to read the parameters directly, as follows:

$name = $_POST['name'];

Among them,nameis the name of the request parameter.

2.2 Using the input assistant function

ThinkPHP provides the input assistant function, which can also be used to receive POST request parameters, as follows:

$name = input('post.name');

Among them,postIndicates the request method used,nameis the name of the request parameter.

2.3 Using the I assistant function

ThinkPHP also provides the I assistant function, which can also be used to receive POST request parameters, as follows:

$name = I('post.name');

Among them,postindicates the request method used,nameis the name of the request parameter.

3. Receiving routing parameters

In ThinkPHP, routing parameters can also be received as request parameters, which is very convenient to use. As follows:

Route::get('user/:id', 'user/read');

The above code indicates that a route nameduser/readis defined and a parameter namedidis received.

In the controller, you can use the following code to receive parameters:

$id = $this->request->param('id');

Among them,paramindicates receiving parameters, andidis the parameter name.

4. Receiving dynamic parameters

In ThinkPHP, you can use dynamic parameters to receive parameters, as follows:

public function user($id,$name) { // ... }

The above code indicates that a ## is defined The #usermethod receives two dynamic parameters$idand$name.

usermethod, you can use the following URL to access:

/user/1/John

id=1andare passed name=JohnTwo parameters.

public function user($id,$name) { $id = $this->request->param('id'); $name = $this->request->param('name'); }

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