First install vendors
curl -sS https://getcomposer.org/installer | php
a you can use it. Example:
$engine = new Alchemy\Component\UI\Engine(new Alchemy\Component\UI\ReaderFactory(), new Alchemy\Component\UI\Parser);
$engine->setMetaFile("form1.yaml");
$engine->setTargetBundle("html");
$element = $engine->build();
$generated = $element->getGenerated();
echo $generated["html"];
So easy!
A bootstrap Form