. 和 -> 的区别

WBOY
Release: 2016-06-23 14:12:13
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新手问些基础知识,求大神解答,谢谢


回复讨论(解决方案)

在php中
. 是字符串连接符
-> 对象取属性或方法运算符

不要把其他语言中的.含义带到php中

如#1所说.
是连接符用于变量的链接
$a="abc";$b=""efg";
echo $a.$b;
->通常是类中用于调用属性或方法
class a{
 public function a(){
    $a=5;
    return $a;
 }
$b=new a();
echo $b->a();

php .是连接  其他的 比如 c# 中访问类中成员方法时用的是.  相当于php->

我是来学习的

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