Detailed explanation of alternative syntax in PHP

This article mainly introduces the detailed explanation of alternative syntax in PHP. Interested friends can refer to it. I hope it will be helpful to everyone.

• What is alternative syntax?
  Simply put, they are some alternative ways of writing grammar.

#2. What syntaxes have alternative syntaxes in PHP?

if, while, for, forforeach, switchThese flow control statements have alternative syntax.

3. Basic form of alternative syntax:

The left curly brace ({) is replaced by a colon (:), and the right The curly braces (}) are replaced with endif;, endwhile;, endfor;, endforeach; and endswitch;

Usage:

if-endif usage:

 
if里面的输出
  上面的语句等同于  if里面的输出 

while-endwhile usage:

 
循环while里面的输出
 

for-endfor usage:

 
循环for里面的输出
 

switch-endswitch usage:

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##Introduction to alternative syntax in PHP, introduction to PHP alternative syntax

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