シェルスクリプトを追加する

src/shell/helloworld.php

@@ -0,0 +1,16 @@
+<?php
+/**
+ * This file is part of the PHP Example Project.
+ * 
+ */
+
+/** 
+ * This function prints "Hello, World!" to the console.
+ * @return void
+ */ 
+function  helloWorld() {
+    echo "Hello, World!\n";
+}
+
+helloWorld();
+