lesson oop

engine/mvc.php

@@ -0,0 +1,27 @@
+<?php
+
+class MainModel {
+    public function getData()
+    {
+        return ['title' => 'Main Page',
+                'h3' => 'С новым годом!'];
+    }
+}
+class MainController {
+    public function index()
+    {
+        $model = new MainModel();
+        $view = new MainView();
+        $result = $model->getData();
+        $view->render($result, 'main.tpl');
+    }
+}
+class MainView {
+    public function render($data, $tmpl) 
+    {
+        var_dump($data);
+    }
+}
+
+$controll = new MainController();
+$controll->index();

engine/oop.php

@@ -0,0 +1,92 @@
+<?php
+
+class SectionTree {
+    protected $radius = 10;
+    public $hight = 50; // в см
+    public function __construct(int $r, int $h)
+    {
+        $this->radius = $r;
+        $this->hight = $h;
+    }
+}
+
+class SectionTreeChild extends SectionTree {
+    public $wight = 50;
+    public function __construct() 
+    {
+        parent::__construct(233, 23);
+    }
+
+    public function getRadius()
+    {
+        return $this->radius;
+    }
+
+}
+
+$objChild = new SectionTreeChild(255, 22);
+
+var_dump($objChild->getRadius());
+
+// var_dump(SectionTree::$radius);
+
+class ChristmasTree
+{
+    private $sectionBox = [];
+    protected $color = 'red';
+
+    public function getColor()
+    {
+        return $this->color;
+    }
+
+    public function addSection($section)
+    {
+        array_push($this->sectionBox, $section);
+    }
+
+    public function debug()
+    {
+        var_dump($this->sectionBox);
+    }
+
+}
+// () - вызов конструктора, оператор call
+
+$s_1 = new SectionTree(12, 2);
+$s_2 = new SectionTree(3, 5);
+
+$tree = new ChristmasTree();
+$tree->addSection($s_1);
+$tree->addSection($s_2);
+// $tree->addSection('ddd');
+// $tree->addSection(283746);
+$tree->debug();
+
+
+// var_dump($obj->getColor());
+
+class DB {
+    const SQL_SELECT_USER = 'select, id, name, login from user, where id = %';
+    static private $_instanse;
+    private function __construct()
+    {
+
+    }
+
+    static public function getInstanse()
+    {
+        if (!self::$_instanse) {
+        self::$_instanse = new self();
+        }
+        return self::$_instanse;
+    }
+    static public function runSQL()
+    {
+        var_dump(self::SQL_SELECT_USER);
+    }
+}
+
+$objInst = DB::getInstanse();
+DB::runSQL();
+var_dump($objInst);