javiereguiluz

<script>
    document.addEventListener('DOMContentLoaded', function() {
        const card = document.querySelector('#intro-image-wrapper');
        const motionMatchMedia = window.matchMedia('(prefers-reduced-motion)');
        const buffer = 10;

        function handleHover(e) {
            const { clientX, clientY, currentTarget } = e;
            const { clientWidth, clientHeight, offsetLeft, offsetTop } = currentTarget;

javiereguiluz

<?php

class BlogPostCrudController extends AbstractCrudController
{
    // ...

    // Thanks to this method, admin users can see all blog posts but
    // the rest of users can only see their blog posts
    public function createIndexQueryBuilder(SearchDto $searchDto, EntityDto $entityDto, FieldCollection $fields, FilterCollection $filters): QueryBuilder
    {

javiereguiluz

<?php

// This code was originally posted in a comment of this blog post:
// https://symfony.com/blog/new-in-symfony-5-2-true-colors-in-the-console

final class Rgb
{
    private $red;
    private $green;
    private $blue;

javiereguiluz

Demo

javiereguiluz

Step 1. Download Docker Community edition (https://store.docker.com/search?type=edition&offering=community)
        and install it in your computer.
Step 2. Clone the Symfony Demo app in your computer: `git clone git@github.com:symfony/demo.git`
Step 3. ????
Step 4. ????
Step 5. ????
Step 6. ????
Step 7. ????
Step 8. ????
Step 9. ????

javiereguiluz

```css
body {
    background-color: #F9F9F9;
    color: #222;
    font-family: Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.4;
    padding: 0;
    margin: 0;
}

javiereguiluz

<?php
// app/config/routing.php
use Symfony\Component\Routing\RouteCollection;
use Symfony\Component\Routing\Route;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

$collection = new RouteCollection();
$collection->add('closure_controller', new Route('/closure', [
    '_controller' => function (Request $request) {

javiereguiluz

// original code
public function getFunctions()
{
    return array(
        new \Twig_SimpleFunction('show_source_code', array($this, 'showSourceCode'), array('is_safe' => array('html'), 'needs_environment' => true)),
    );
}

// new code

javiereguiluz

Linux y Mac OS X

# (30 segundos) Instalar el Instalador de Symfony
$ sudo curl -LsS http://symfony.com/installer -o /usr/local/bin/symfony
$ sudo chmod a+x /usr/local/bin/symfony

# (10 segundos) Crear un nuevo proyecto Symfony
$ symfony new nombre_proyecto

javiereguiluz

<?php

// Transforms a HAR (HTTP Archive) file into a BK file to analyze it using
// Blackfire Profiler (https://blackfire.io/)
//
// USAGE:
// $ php har2blackfire.php name-of-the-HAR-file.har

$harFile = $argv[1];
$harData = json_decode(file_get_contents($harFile), true);