diff --git "a/\346\242\201\350\243\225/20220517-php\351\235\242\345\220\221\345\257\271\350\261\241.md" "b/\346\242\201\350\243\225/20220517-php\351\235\242\345\220\221\345\257\271\350\261\241.md"
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@@ -0,0 +1,179 @@
+```php
+<?php
+/**
+
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2022/5/17
+ * Time: 16:51
+   */
+   //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 $brand;//品牌
+private $money;//价格
+
+//有参
+function  __construct($brand,$money)
+{
+    $this->brand=$brand;
+    $this->money=$money;
+}
+
+function che(){
+    echo $this->money."的".$this->brand;
+}
+
+/**
+
+ * @return mixed
+   */
+   public function getMoney()
+   {
+   return $this->money;
+   }
+
+/**
+
+ * @param mixed $money
+   */
+   public function setMoney($money): void
+   {
+   $this->money = $money;
+   }
+
+/**
+
+ * @return mixed
+   */
+   public function getBrand()
+   {
+   return $this->brand;
+   }
+
+/**
+
+ * @param mixed $brand
+   */
+   public function setBrand($brand): void
+   {
+   $this->brand = $brand;
+   }
+
+}
+$a = new Car("法拉利","100w");
+$a->che();
+
+echo "<br>";
+
+//2、	在上例的基础上为汽车类定义一个子类——跑车类。为子类实例化对象并访问父类的属性。
+class pc extends Car{
+    function __construct($brand, $money)
+    {
+        parent::__construct($brand, $money);
+    }
+    function run(){
+        echo parent::getBrand()."跑得很快！它要".parent::getMoney();
+    }
+}
+$b=new pc("奥迪",400000);
+$b->run();
+
+//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 lei{
+    public $p;
+    public $o;
+    public $k;
+    public function v(){
+   }
+    public function b(){
+    }
+    public function n(){
+
+}
+protected $r;
+protected $d;
+protected $t;
+protected function f(){
+
+}
+protected function g(){
+
+}
+protected function s(){
+
+}
+
+private $h;
+private $j;
+private $i;
+/**
+
+ * @return mixed
+   */
+   public function getH()
+   {
+   return $this->h;
+   }
+
+/**
+
+ * @param mixed $h
+   */
+   public function setH($h): void
+   {
+   $this->h = $h;
+   }
+
+/**
+
+ * @return mixed
+   */
+   public function getJ()
+   {
+   return $this->j;
+   }
+
+/**
+
+ * @param mixed $j
+   */
+   public function setJ($j): void
+   {
+   $this->j = $j;
+   }
+
+/**
+
+ * @return mixed
+   */
+   public function getI()
+   {
+   return $this->i;
+   }
+
+/**
+
+ * @param mixed $i
+   */
+   public function setI($i): void
+   {
+   $this->i = $i;
+   }
+
+private function h(){
+
+}
+private function j(){
+
+}
+private function i(){
+
+}
+
+
+
+}
+```
+