Template method example

Author: hbrawnak

TemplateMethod/composer.json

@@ -0,0 +1,7 @@
+{
+    "autoload": {
+        "psr-4": {
+            "Template\\": "src"
+        }
+    }
+}

TemplateMethod/index.php

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+<?php
+
+use Template\Bike;
+use Template\Car;
+
+require 'vendor/autoload.php';
+
+//(new Bike())->make();
+(new Car())->make();

TemplateMethod/src/Bike.php

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+<?php
+
+
+namespace Template;
+
+
+class Bike extends Vehicle
+{
+
+    protected function addEngine()
+    {
+        echo "Bike engine \n";
+
+        return $this;
+    }
+
+    protected function addWheel()
+    {
+        echo 2;
+
+        return $this;
+    }
+}

TemplateMethod/src/Car.php

@@ -0,0 +1,23 @@
+<?php
+
+
+namespace Template;
+
+
+class Car extends Vehicle
+{
+
+    protected function addEngine()
+    {
+        echo "Car engine \n";
+
+        return $this;
+    }
+
+    protected function addWheel()
+    {
+        echo 4;
+
+        return $this;
+    }
+}

TemplateMethod/src/Vehicle.php

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+<?php
+
+
+namespace Template;
+
+
+abstract class Vehicle
+{
+    public function make()
+    {
+        return $this
+            ->start()
+            ->gearUp()
+            ->gearDown()
+            ->stop()
+            ->addEngine()
+            ->addWheel();
+    }
+
+    protected function start()
+    {
+        echo "staring engine \n";
+
+        return $this;
+    }
+
+    protected function gearUp()
+    {
+        echo "gear up \n";
+
+        return $this;
+    }
+
+    protected function gearDown()
+    {
+        echo "gear down \n";
+
+        return $this;
+    }
+
+    protected function stop()
+    {
+        echo "stopping engine  \n";
+
+        return $this;
+    }
+
+    protected abstract function addEngine();
+
+    protected abstract function addWheel();
+}

TemplateMethod/vendor/autoload.php

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+<?php
+
+// autoload.php @generated by Composer
+
+require_once __DIR__ . '/composer/autoload_real.php';
+
+return ComposerAutoloaderInit77530c3e03ec4fb660a79e08f75097ff::getLoader();