phpspec is a development tool, designed to help you achieve clean and working PHP code by using a technique derived from test-first development called (spec) behaviour driven development, or SpecBDD. Example spec file: <?php namespace spec; use PhpSpec\ObjectBehavior; class MarkdownSpec extends ObjectBehavior { function it_converts_plain_text_to_html_paragraphs() { $this->toHtml("Hi, there")->shouldReturn("<p>Hi, there</p>"); } } Running it is easy: …