Detailed explanation of the usage of Symfony template shortcut variables

This article introduces the usage of shortcut variables in Symfony templates, and analyzes three common methods of shortcut variable calls in Symfony templates in the form of simple examples. Friends in need can refer to it. I hope it will be helpful to everyone.

In the template, there are some symfony variables that can be used directly. Some of the most commonly used template information can be obtained from symfony objects through these shortcut variables:

$sf_context: complete environment object (instance of sfContext class)
$sf_request: request object (sfRequest Instance of class)
$sf_params: Requested parameters
$sf_user: Current user session object (instance of sfUser class)

Three common usage methods:

//1. 长版本
getParameter('total') ?>
//2. 段版本
get('total') ?>
//3. 相当于在行为里执行下面的代码
echo $request->getParameter('total')

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