那些年,我们追过的PHP自加自减运算(1)
------------------------------------------------------------------------------------------- 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

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