Explicaré, paso a paso, como lo hice yo. Si haces. Open-Source PHP5 MVC Framework Agile Development VIEW PARTIALS, COMPONENTS, SLOTS and COMPONENT SLOTS PARTIALS SLOTS. The Practical Symfony1 book is a great way for a beginner to learn symfony, understand how it works, and also see best web development practices in action. Symfony Components. ¿Que es un «slot» en Symfony ? Un slot es simplemente un recurso de Symfony que permite insertar fragmentos de código HTML o java script, en. . php slot('title')?>