First a FYI though, this is not something you should be doing in the template, cause the code is pretty messy. Anyway here is how you merge/group arrays in twig: {% set output = [] %} {% for item in items %} {% if not attribute(output, item.object.category) is defined %} {% set output = output|merge({ … Read more
To change a certain index of an array you’re best of with extending Twig, a solution could be this, ProjectTwigExtension.php namespace Your\Namespace; class ProjectTwigExtension extends Twig_Extension { public function getFunctions() { return array( new Twig_SimpleFunction(‘set_array_value’, array($this, ‘setArrayValue’), [‘needs_context’ => true,]), new Twig_SimpleFunction(‘set_object_property’, array($this, ‘setArrayValue’), [‘needs_context’ => true,]), ); } public function setArrayValue(&$context, $array_name, $index, $value) … Read more
Each render call spawns a new request, with the performance degradation issue that you are describing. I don’t think there is much you can do about that but using esi caching, so that single fragments coming from render calls can be cached. Otherwise you could try to revise your logic to reduce the usage of … Read more
I played around with domi27’s idea and came up with this. I made a nested array as my tree, [‘link’][‘sublinks’] is null or another array of more of the same. Templates The sub-template file to recurse with: <!–includes/menu-links.html–> {% for link in links %} <li> <a href=”https://stackoverflow.com/questions/8326482/{{ link.href }}”>{{ link.name }}</a> {% if link.sublinks %} … Read more
As said in the comment, includes/embeds can’t alter blocks from their includer. That said there is an extension available that could solve your problem. This Deferred Twig Extension can be found here Basically the node postpones the execution of a said block. This way you can create a variable that holds all of your javascript … Read more
I have twig variable html. To show it in twig template I do {{html}}. That variable look like {{region_top}}{{region_center}}. region_* is variables too. When twig parse my html variable he didn’t parse inner variables (regions). What can I should do? Twig takes your strings as a literal string, meaning you’ll see the content of the … Read more
This can be nearly done by setting a new variable as a flag to break iterating: {% set break = false %} {% for post in posts if not break %} <h2>{{ post.heading }}</h2> {% if post.id == 10 %} {% set break = true %} {% endif %} {% endfor %} An uglier, but … Read more
Its not possible to access any PHP function inside Twig directly. What you can do is write a Twig extension. A common structure is, writing a service with some utility functions, write a Twig extension as bridge to access the service from twig. The Twig extension will use the service and your controller can use … Read more
You can use parameter substitution in the twig globals section of the config: Parameter config: parameters: app.version: 0.1.0 Twig config: twig: globals: version: ‘%app.version%’ Twig template: {{ version }} This method provides the benefit of allowing you to use the parameter in ContainerAware classes as well, using: $container->getParameter(‘app.version’);
Although you can use the {{ game.gameDate|date(‘Y-m-d’) }} approach, keep in mind that this version does not honor the user locale, which should not be a problem with a site used by only users of one nationality. International users should display the game date totally different, like extending the \DateTime class, and adding a __toString() … Read more