PHP class definition and inheritance usage examples, PHP inheritance usage examples_PHP tutorial

Definition and inheritance usage examples of php classes, php inheritance usage examples

The examples in this article describe the definition and inheritance usage of php classes. Share it with everyone for your reference. The details are as follows:

<&#63;php
/*
 * class
 */
 class people {
  public $name;
  public $age;
  function __construct($namec,$agec) {
    $this->name = $namec;
    $this->age = $agec;
  }
  protected function getmessage() {
    return "姓名：".$this->name."<br/>"."年龄：".$this->age;
  }
  function __tostring() {
    return "姓名：".$this->name."<br/>"."年龄：".$this->age;
  }
  function __destruct() {
    echo "<br/> I am dead！";
  }
  function __call($key,$args) {
    echo "<br/>","你调用的方法名不存在：$key","<br/>";
    echo "你调用的参数是：",var_dump($args);
  }
  final function getf() {
    echo "I am getf";
  }
 }
 class xinxin extends people {
  function getname() {
    echo $this->getmessage();
    echo '<br/>';
    echo parent::getmessage();
    echo '<br/>';
    return "I am xinxin";
  }
  function getmessage() {
    return "I am zilei getmessage <br/>";
  }
  function getff() {
    echo "I am new getf";
  }
 }
$pp = new people("小弟","33");
//$pp->name = "小明";
//$pp->age = "88";
echo $pp->name;
echo '   ';
echo $pp->age;
echo '<br/><br/>';
$xx = new xinxin("小小","13");
echo $xx->getname();
&#63;>

I hope this article will be helpful to everyone’s PHP programming design.

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