Just a commit

php/hello-world/hello-world_test.php

@@ -0,0 +1,21 @@
+<?php
+
+require "hello-world.php";
+
+class HelloWorldTest extends \PHPUnit_Framework_TestCase
+{
+    public function testNoName()
+    {
+        $this->assertEquals('Hello, World!', helloWorld());
+    }
+
+    public function testSampleName()
+    {
+        $this->assertEquals('Hello, Alice!', helloWorld('Alice'));
+    }
+
+    public function testAnotherSampleName()
+    {
+        $this->assertEquals('Hello, Bob!', helloWorld('Bob'));
+    }
+}