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HomeBackend DevelopmentPHP TutorialPHP中的替代语法介绍_PHP

今天看了一下wordpress的代码,里面有些少见的php替代语法,

代码如下:



       


            →', 'thebox' ) ); ?>
            '' ) ); ?>
       

   

else后面的冒号和endif代表啥?菜鸟一个,没有见过,所以就google了一下,才明白这是php的替代语法,

冒号(:)等价于左花括号({),endif等价于右花括号(});

举个例子吧:

代码如下:




是负数拉

代码如下:




上面的语句等同于

代码如下:




是负数拉

代码如下:



PHP中那些语法有替代语法?

流程控制(包括if,while,forforeach,switch)这几个语句有替代语法。

替代语法的基本形式:

左花括号({)换成冒号(:),把右花括号(})分别换成 endif;,endwhile;,endfor;,endforeach; 以及 endswitch;

while替代语法:

代码如下:



 

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  • 其它替代语法可以类推。
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