There are several ways to write routing in php

The function of routing is to distribute requests to different controllers, based on the principle of regular matching. Next, we implement a simple router that can correctly call callbacks for static routes (without placeholders).

Route distribution(Recommended learning: PHP video tutorial)

PHP-based route distribution, essence To put it simply, it is to use the path in the URL to match the corresponding control class, and at the same time call the methods in it to process related operations.

$method_name($request_query, $_POST);
                }
            }
        } else {
            die("定义的模块不存在");
        }
    } else {
        echo '页面不存在';
    }
}

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