The difference between php arrays and objects is: arrays use [=>], the code is [$arr=['a'=>123] echo $arr['a']], and objects use 【->】, the code is 【$obj=new A();echo $obj->a;】.
The difference between php arrays and objects is:
Array usage=>
Object usage->
<?php
$arr=['a'=>123,'b'=>456]; //数组初始化
echo $arr['a']; //数组引用
print_r($arr); //查看数组
echo "<br><br>"; //换行
class A{
public $a=123;
public $b=456;
}
$obj=new A();
echo $obj->a; //对象引用
print_r($obj); //查看对象
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