Attributes — aka annotations — in PHP 8

栏目: IT技术 · 发布时间: 4年前

内容简介:As of PHP 8, we'll be able to use attributes. The goal of these attributes, also known as annotations in many other languages, is to add meta data to classes, methods, variables and what not; in a structured way.The concept of attributes isn't new at all,

Attributes in PHP 8

As of PHP 8, we'll be able to use attributes. The goal of these attributes, also known as annotations in many other languages, is to add meta data to classes, methods, variables and what not; in a structured way.

The concept of attributes isn't new at all, we've been using docblocks to simulate their behaviour for years now. With the addition of attributes though, we now have a first-class citizen in the language to represent this kind of meta data, instead of having to manually parse docblocks.

So what do they look like? How do we make custom attributes? Are there any caveats? Those are the questions that will be answered in this post. Let's dive in!

First things first, here's what attribute would look like in the wild:

<sp></sp>

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持 码农网

查看所有标签

猜你喜欢:

本站部分资源来源于网络,本站转载出于传递更多信息之目的,版权归原作者或者来源机构所有,如转载稿涉及版权问题,请联系我们

软件测试

软件测试

乔根森 / 韩柯 / 机械工业出版社 / 2003-12-1 / 35.00元

《软件测试》(原书第2版)全面地介绍了软件测试的基础知识和方法。通过问题、图表和案例研究,对软件测试数学问题和技术进行了深入的研究,并在例子中以更加通用的伪代码取代了过时的Pascal代码,从而使内容独立于具体的程序设计语言。《软件测试》(原书第2版)还介绍了面向对象测试的内容,并完善了GUI测试内容。一起来看看 《软件测试》 这本书的介绍吧!

JS 压缩/解压工具
JS 压缩/解压工具

在线压缩/解压 JS 代码

JSON 在线解析
JSON 在线解析

在线 JSON 格式化工具

XML、JSON 在线转换
XML、JSON 在线转换

在线XML、JSON转换工具