Bridge

Author: maxsite

Bridge/index.php

@@ -0,0 +1,104 @@
+<?php
+
+/**
+ * Design pattern "Bridge" (Structural)
+ * This is demo code
+ * See for details: http://maxsite.org/page/php-patterns
+ */
+
+/**
+ * Available methods 
+ */
+interface BridgeInterface
+{
+ public function method1();
+ public function method2();
+}
+
+/**
+ * implementation first
+ */
+class Bridge1 implements BridgeInterface
+{
+ public function method1()
+ {
+ echo 'Bridge1 method1 <br>';
+ }
+
+ public function method2()
+ {
+ echo 'Bridge1 method2 <br>';
+ }
+}
+
+/**
+ * implementation second
+ */
+class Bridge2 implements BridgeInterface
+{
+ public function method1()
+ {
+ echo 'Bridge2 method1 <br>';
+ }
+
+ public function method2()
+ {
+ echo 'Bridge2 method2 <br>';
+ }
+}
+
+/**
+ * main application Abstract
+ */
+abstract class AppAbstract
+{
+ protected $bridge;
+
+ public function __construct(BridgeInterface $bridge)
+ {
+ $this->bridge = $bridge;
+ }
+
+ public function method1()
+ {
+ $this->bridge->method1();
+ }
+
+ public function method2()
+ {
+ $this->bridge->method2();
+ }
+}
+
+/**
+ * main application
+ */
+class App extends AppAbstract
+{
+ public function run()
+ {
+ $this->method1();
+ $this->method2();
+ }
+}
+
+/**
+ * demo
+ */
+
+$a = new App(new Bridge1()); // application for Bridge1
+$a->run();
+/*
+ Bridge1 method1 
+ Bridge1 method2 
+*/
+
+$b = new App(new Bridge2()); // application for Bridge2
+$b->run();
+/*
+ Bridge2 method1 
+ Bridge2 method2 
+*/
+
+
+# end of file

README.md

@@ -15,6 +15,7 @@ See details on http://maxsite.org/page/php-patterns
 * "Adapter" (Structural)
 * "Observer" (Behavioral)
 * "Prototype" (Creational)
+* "Bridge" (Structural)
 
 
 (c) MaxSite.org, 2019, http://maxsite.org/