angelikatyborska's solution to Hello World on the PHP track

Instructions

Test suite

Solution

Note:

This exercise has changed since this solution was written.

The classical introductory exercise. Just say "Hello, World!".

"Hello, World!" is the traditional first program for beginning programming in a new language or environment.

The objectives are simple:

Write a function that returns the string "Hello, World!".
Run the test suite and make sure that it succeeds.
Submit your solution and check it at the website.

If everything goes well, you will be ready to fetch your first real exercise.

Running the tests

Go to the root of your PHP exercise directory, which is <EXERCISM_WORKSPACE>/php. To find the Exercism workspace run
```
 % exercism debug | grep Workspace
```

Get PHPUnit if you don't have it already.

 % wget --no-check-certificate https://phar.phpunit.de/phpunit.phar
 % chmod +x phpunit.phar

Execute the tests:

 % ./phpunit.phar hello-world/hello-world_test.php

Source

This is an exercise to introduce users to using Exercism http://en.wikipedia.org/wiki/%22Hello,_world!%22_program

Submitting Incomplete Solutions

It's possible to submit an incomplete solution so you can see how others have completed the exercise.

hello-world_test.php

<?php

require "hello-world.php";

class HelloWorldTest extends PHPUnit\Framework\TestCase
{
    public function testHelloWorld()
    {
        $this->assertEquals('Hello, World!', helloWorld());
    }
}

<?php

function helloWorld()
{
    return('Hello, World!');
}

Community comments

Find this solution interesting? Ask the author a question to learn more.

What can you learn from this solution?

A huge amount can be learned from reading other people’s code. This is why we wanted to give exercism users the option of making their solutions public.

Here are some questions to help you reflect on this solution and learn the most from it.

What compromises have been made?
Are there new concepts here that you could read more about to improve your understanding?

angelikatyborska's solution

to Hello World in the PHP Track