如何在PHP中用单行调用两个方法? [英] how to call two method with single line in php?

问题描述

我已经在幼虫中看到了在单行示例中调用多种方法的情况

I have seen in larval calling multiple method in the single line example

 DB:: get ('test') ->toJson ();

我有一个很棒的课程，并且该课程中有一个view方法.

I have a cool class and view method in that class.

$this->call->view ('welcome') ->anotherMethod ();

我还要调用另一个方法吗?我应该在哪里做这种方法?

I would like to call another method also? Where should I make that method?

推荐答案

DB::get()似乎是一种返回对象的方法，您可以在其中调用其他函数(我认为是数据库查询的结果对象).如果要在一行中的一个对象上调用多个函数，则必须在函数中返回$this，例如:

DB::get() seems to be a method returning an object, where you can call other functions (I think a result object of a database query). If you want to call multiple functions on one object in one line, you have to return $this in your functions, e.g.:

class View {
    public static function factory {
        // The question is: How useful is this factory function. In fact: useless in
        // the current state, but it can be extended in any way
        return new self;
    }

    public function one() {
        // do something
        return $this;
    }

    public function two() {
        // do something
        return $this;
    }
}

那么你可以做:

$class = new View();
$class->one()->two();
// it's also possible to use the `factory` function
// you should think about, how useful this approach is in your application
$class = View::factory()->one()->two();

这就是您可以在php中完成的方法，如果laravel有一些帮助者，我不能说:)

That's how you can do it in php, if laravel has some helpers for that, i can't say :)

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