kandran · August 29, 2015 14:21 · May 14, 2015 · May 14, 2015
diff --git a/ApplicationA.php b/ApplicationA.php
@@ -1,4 +1,5 @@
 <?php
+
 require_once("ApplicationInterface.php");
 
 class ApplicationA implements ApplicationInterface{

diff --git a/ApplicationB.php b/ApplicationB.php
@@ -1,4 +1,5 @@
 <?php
+
 require_once("ApplicationInterface.php");
 
 class ApplicationB implements ApplicationInterface{

diff --git a/ApplicationStarter.php b/ApplicationStarter.php
@@ -1,4 +1,5 @@
 <?php
+
 require_once("ApplicationInterface.php");
 
 class ApplicationStarter{

diff --git a/index.php b/index.php
@@ -1,4 +1,5 @@
 <?php
+
 require_once("ApplicationA.php");
 require_once("ApplicationB.php");
 require_once("ApplicationStarter.php");

diff --git a/ApplicationA.php b/ApplicationA.php
@@ -0,0 +1,11 @@
+<?php
+require_once("ApplicationInterface.php");
+
+class ApplicationA implements ApplicationInterface{
+	public function run()
+	{
+		echo "<br/> Application A start running";
+		//some computation
+		echo "<br/> Application A finished";
+	}	
+}
diff --git a/ApplicationB.php b/ApplicationB.php
@@ -0,0 +1,11 @@
+<?php
+require_once("ApplicationInterface.php");
+
+class ApplicationB implements ApplicationInterface{
+	public function run()
+	{
+		echo "<br/> Application B start running";
+		//some other computation
+		echo "<br/> Application B finished";	
+	}	
+}
diff --git a/ApplicationInterface.php b/ApplicationInterface.php
@@ -0,0 +1,6 @@
+<?php
+
+interface ApplicationInterface
+{
+    public function run();
+}
diff --git a/ApplicationStarter.php b/ApplicationStarter.php
@@ -0,0 +1,9 @@
+<?php
+require_once("ApplicationInterface.php");
+
+class ApplicationStarter{
+	public function startApplication(ApplicationInterface $application)
+	{
+		$application->run(); //here we don't know the class name of application
+	}
+}
diff --git a/index.php b/index.php
@@ -0,0 +1,15 @@
+<?php
+require_once("ApplicationA.php");
+require_once("ApplicationB.php");
+require_once("ApplicationStarter.php");
+
+$applicationStarterObject = new ApplicationStarter();
+$application1 = new ApplicationA();
+$application2 = new ApplicationB();
+$application3 = new ApplicationA();
+
+$applicationsToRun = array($application1, $application2 , $application3);
+
+foreach($applicationsToRun as $application){
+	$applicationStarterObject->startApplication($application);
+}