diff --git "a/\351\231\210\345\234\243\346\201\251/20220517-php\351\235\242\345\220\221\345\257\271\350\261\241.md" "b/\351\231\210\345\234\243\346\201\251/20220517-php\351\235\242\345\220\221\345\257\271\350\261\241.md"
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index 0000000000000000000000000000000000000000..ed7df7f29cfc547298723af87997b5ad69620493
--- /dev/null
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@@ -0,0 +1,128 @@
+``` php
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2022/5/17
+ * Time: 16:15
+ */
+// 1、写一段代码，定义一个汽车类，有品牌与价格两种属性。并为类实例化对象，为对象的属性赋值并引用。
+class Car{
+    private $pp; //品牌
+    private $jg; //价格
+
+    /**
+     * @return mixed
+     */
+    public function getPp()
+    {
+        return $this->pp;
+    }
+
+    /**
+     * @param mixed $pp
+     */
+    public function setPp($pp): void
+    {
+        $this->pp = $pp;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getJg()
+    {
+        return $this->jg;
+    }
+
+    /**
+     * @param mixed $jg
+     */
+    public function setJg($jg): void
+    {
+        $this->jg = $jg;
+    }
+
+    function __construct($pp,$jg)
+    {
+        $this->pp = $pp;
+        $this->jg = $jg;
+    }
+    function __destruct(){
+        echo "漂移失败,车报废";
+    }
+
+    function run(){
+        echo $this->pp."车会跑";
+    }
+}
+
+$aa = new Car('布加迪','4000000');
+$aa->run();
+
+// 2、在上例的基础上为汽车类定义一个子类——跑车类。为子类实例化对象并访问父类的属性。
+class Runcar extends Car{
+    function zuowei(){
+        echo $this->getPp()."两个座椅";
+    }
+
+    function run(){
+//        parent::run();
+       echo $this->getPp()."跑的老快,价格也就".$this->getJg();
+    }
+}
+
+$a = new Runcar('兰博基尼','232152');
+$a->zuowei();
+echo "<br>";
+$a->run();
+echo "<br>";
+
+// 3、定义一个类，分别定义3个公共的属性和方法，3个受保护的属性和方法，3个私有属性和方法。
+class demo01{
+//公共的属性
+public $q;
+public $w;
+public $e;
+  
+public function qq(){
+    
+}
+public function ww(){
+    
+}
+public function ee(){
+    
+}
+    
+//受保护的属性
+protected $r;
+protected $t;
+protected $y;
+protected function rr(){
+    
+}
+protected function tt(){
+    
+}
+protected function yy(){
+    
+}
+    
+//私有的属性
+private $p;
+private $o;
+private $i;
+private function pp(){
+    
+}
+private function oo(){
+    
+}
+private function ii(){
+    
+}
+    
+}
+```
+