laravel 刀片，如何附加到一个部分-php问题

laravel blade, how to append to a section(laravel 刀片，如何附加到一个部分)

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问题描述

如果你查看 laravel 官方文档 http://laravel.com/docs/4.2/templates它说给这个布局:

If you look to laravel official documentation http://laravel.com/docs/4.2/templates It says that giving this layout:

<!-- Stored in app/views/layouts/master.blade.php -->

<html>
    <body>
        @section('sidebar')
            This is the master sidebar.
        @show

        <div class="container">
            @yield('content')
        </div>
    </body>
</html>

由这个视图扩展

@extends('layouts.master')

@section('sidebar')


    <p>This is appended to the master sidebar.</p>
@stop

@section('content')
    <p>This is my body content.</p>
@stop

将附加到 sidebar 部分.但实际上，如果您尝试它不会追加，它只是覆盖扩展模板中的内容.

Will append to the section sidebar. But actually if you try is it doesn't append, it just override the content from the extended template.

我听说过其他刀片功能，例如 @append、@prepend、@parent...似乎没有人工作.

I heard about others blade function like @append, @prepend, @parent... no one seems to work.

此外，官方文档中的这个例子不起作用，我发现刀片文档很差.例如，没有像 @parent 这样的刀片功能.

Beside, this example in the official doc which doesn't work, I find that the blade documentation is very poor. There's nothing about blade function like @parent for instance.

推荐答案

Laravel 文档中的例子website 确实似乎有缺陷，但我认为这是网站上的 Markdown 解析问题，github 上的相同文档显示正确的代码:

The example in the documentation from Laravel website does indeed seem to be flawed, but I think it's a markdown parsing problem on the website, the same docs on github show the correct code:

在任何情况下 @parent 确实有效.文档中的示例应如下所示:

In any case @parent does indeed work. The example in the docs should look like this:

@extends('layouts.master')

@section('sidebar')
    @parent

    <p>This is appended to the master sidebar.</p>
@stop

@section('content')
    <p>This is my body content.</p>
@stop

快速查看 Illuminate/View/Factory.php 可以确认 @parent 的作用:

A quick look in the Illuminate/View/Factory.php confirms what @parent does:

/**
 * Append content to a given section.
 *
 * @param  string  $section
 * @param  string  $content
 * @return void
 */
protected function extendSection($section, $content)
{
    if (isset($this->sections[$section]))
    {
        $content = str_replace('@parent', $content, $this->sections[$section]);
    }

    $this->sections[$section] = $content;
}

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