Home > php教程 > php手册 > 那些年,我们追过的PHP自加自减运算(1)

那些年,我们追过的PHP自加自减运算(1)

WBOY
Release: 2016-06-06 19:49:49
Original
879 people have browsed it

------------------------------------------------------------------------------------------- PHP的运算符号不算多,但是不是每个你都清楚怎么用呢? 这里我们来聊聊PHP的运算符号的升级版: ++,--,呵呵。 ++ 即自增, -- 即自减。 实际运用: $a = 10;

-------------------------------------------------------------------------------------------

PHP的运算符号不算多,但是不是每个你都清楚怎么用呢?

这里我们来聊聊PHP的运算符号的升级版: ++,--,呵呵。

 

++  即自增,

--    即自减。

实际运用:

$a = 10; $a++ = ?  //先用再加,最后结果为11

$a = 10; ++$a = ?  //先加再用,最后结果为11

 

$a = 10;

$b = $a++ + ++$a;

echo $a;

echo $b;   //算一下吧,结果我回复解答

 

Link: http://www.cnblogs.com/farwish/p/3795614.html

@黑眼诗人 

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Recommendations
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template