PHP extends类继承代码示例:
- ?php
- class a{
- public $x;
- public $y;
-
function __construct($x=0,$y=0){
-
$this->x=$x;
-
$this->y=$y;
- }
- function getx(){
-
return $this->x;
- }
- function gety(){
-
return $this->y;
- }
- function __destruct(){}
- }
- class a2 extends a{}
/*extends是一个继承函数*/ -
$b2=new a2(10,10);
-
echo $b2->getx()."br>";
-
echo $b2->gety();
-
?>
以上介绍的内容就是PHP extends类继承的全部实现步骤。
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