twig Archives - Belchamber Web Tools, AI Guidance & Code

Symfony & Twig: Simple month and year form selection widget

Aaron Belchamber — Tue, 26 Jan 2016 15:37:39 +0000

This is a very useful Twig that I use in a lot of different forms. I attach a listener and when they click “Update” it will redirect the user by appending the URL with the /year/month to hook nice and cleanly in built-in routes to pass the year and month into different controllers. <form id="yearMonthWidget" […]

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Symfony Twig: Accessing global values reference

Aaron Belchamber — Sun, 06 Dec 2015 16:43:00 +0000

Here is a reference list to access global values within Twig: For $_POST variables use this : {{ app.request.parameter.get("page") }} For $_GET variables use this : {{ app.request.query.get("page") }} For $_COOKIE variables use this : {{ app.request.cookies.get("page") }} For $_SESSION variables use this : {{ app.request.session.get("page") }} For more Symfony Twig shortcuts, view the Twig […]

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Extending a Symfony parent Twig block in child view’s block with parent() call easy, useful and DRY

Aaron Belchamber — Sun, 19 Jul 2015 17:59:08 +0000

Twig blocks are like methods in a class. If the Twig container is a class, Twig blocks are methods. So you can call on a parent Twig view and extend the parent just like a function using the “parent()” function like below within the dynamic content tags, which are a pair of squiggly brackets. Here’s […]

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Accessing Symfony global and server variables in Twig views through the “app” variable

Aaron Belchamber — Wed, 10 Jun 2015 11:31:55 +0000

In Symfony, you don’t always have to actually pass values from your controllers to your Twig views. Twig can actually pull global and server values directly through the super global “app” variable. Most frequently, you can access these corresponding objects like Kernel, Request, Security and Session variables like so: {{app.kernel.cachedir}} {{app.kernel.logdir}} {{app.kernel.rootdir}} {{app.request.basepath}} {{app.request.baseurl}} {{app.request.uri}} […]

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Symfony Twig view conditionally shows current username of user logged in

Aaron Belchamber — Tue, 28 Apr 2015 23:50:52 +0000

Here is a quick way to access the user object from the Symfony user or the FOSUserBundle. In this Twig example below is a conditional statement that if the user is authenticated and has a role, it will display “Hi Aaron Belchamber” or whatever the user’s name is. {% if is_granted("ROLE") %} Hi {{ app.user.username […]

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Conditionally show content in Symfony Twig views based on user’s IP address

Aaron Belchamber — Fri, 24 Apr 2015 00:53:49 +0000

Using your views with basic conditional logic that will show different content based on global values like a user’s IP address or their incoming referrer address is easy through “the app.request.server” object. You don’t need to involve your controller to produce basic web page behaviors, especially those that are global in nature you’d normally use […]

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How to show or access cookie values in Symfony Twig views

Aaron Belchamber — Thu, 02 Apr 2015 15:09:39 +0000

Strange how obscure it is to find a clear example of how to just access or show the value of a cookie in Twig, so here it is! {{ app.request.cookies.get('yourCookieHere') }} Twig is the templating engine that powers Symfony views. Symfony is the PHP framework from Sensio Labs. If you are a company that uses […]

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Looping through all request variables in a Symfony Twig view

Aaron Belchamber — Thu, 26 Mar 2015 14:23:11 +0000

Here is a quick way to access all request variables and output them in a Symfony Twig view: {% for request in app.request.query.all %} {{ request|raw }}<br/> {% endfor %}

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Symfony Framework: Calling on other controllers from your TWIG views handy and efficient

Aaron Belchamber — Thu, 19 Mar 2015 11:31:14 +0000

In the newest versions of Symfony greater than 2.2 you can embed output from controller by calling it with this handy TWIG snippet: {{ render(controller('PostBundle:Posts:recentPosts', { 'category': 'cool symfony tips' })) }} Check out Sensio Lab’s documentation to learn more. This is especially useful if you want to create a snippet that will deliver content […]

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Accessing dynamic field names in Symfony’s TWIG using attribute and the tilde(~)

Aaron Belchamber — Tue, 27 Jan 2015 04:09:33 +0000

At last, a framework has finally given the tilde (~) a little respect. Hash tag (#) usually gets all the glory, but not this time! Not is in this case. Granted, the tilde might be happy to be used at all and chances are, this obscure solution to another view issue doesn’t mean tilde’s ready […]

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