How to get config parameters in Symfony2 Twig Templates

Question

I have a Symfony2 Twig template  I want to output the value of a config parameter in this twig template  a version number   Therefore I defined the config parameter like this   parameters      app version  0 1 0   I m able to use this config parameter in Controllers but I have no clue how to get it in my Twig template

User · Answer

You can simply bind  this- gt getParameter  app version   in controller to twig param and then render it

User · Answer

The above given ans are correct and works fine  I used in a different way   config yml  imports      -   resource  parameters yml       -   resource  security yml       -   resource  app yml       -   resource  app twig yml     app yml  parameters    app version            1 0 1   app twig yml  twig    globals      version   app version    Inside controller    application version    this- gt container- gt getParameter  app version       Here using app yml   Inside template twig file   Project version    version         Here using app twig yml content          Because in controller we used  application version       To use controller output   Controller   public function indexAction              application version    this- gt container- gt getParameter  app version            return array  app version    gt   application version           template twig file    Project version    app version      I mentioned the different for better understand

User · Answer

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- gt getParameter  app version

User · Answer

Easily  you can define in your config file   twig      globals          version   0 1 0    And access it in your template with     version      Otherwise it must be a way with an Twig extension to expose your parameters

User · Answer

With a Twig extension  you can create a parameterTwig function      parameter  jira host        TwigExtension php   class TwigExtension extends  Twig Extension       public  container       public function getFunctions                 return               new  Twig SimpleFunction  parameter   function  name                                return  this- gt container- gt getParameter  name                                                    Returns the name of the extension                 return string The extension name             public function getName                 return  iz             service yml     iz twig extension      class  IzBundle Services TwigExtension     properties        container    service container      tags        -   name  twig extension

User · Answer

In confing yml    app config config yml twig    globals      version    app version     In Twig view    twig view    version

User · Answer

You can also take advantage of the built-in Service Parameters system  which lets you isolate or reuse the value     app config parameters yml parameters      ga tracking  UA-xxxxx-x    app config config yml twig      globals          ga tracking    ga tracking     Now  the variable ga tracking is available in all Twig templates    lt p gt The google tracking code is     ga tracking    lt  p gt    The parameter is also available inside the controllers    this- gt container- gt getParameter  ga tracking      You can also define a service as a global Twig variable  Symfony2 2       app config config yml twig                globals          user management    acme user user management    http   symfony com doc current templating global variables html  If the global variable you want to set is more complicated - say an object - then you won t be able to use the above method  Instead  you ll need to create a Twig Extension and return the global variable as one of the entries in the getGlobals method

User · Answer

On newer versions of Symfony2  using a parameters yml instead of parameters ini   you can store objects or arrays instead of key-value pairs  so you can manage your globals this way   config yml  edited only once      app config config yml twig    globals      project   project    parameters yml     app config parameters yml project    name        myproject com   version     1 1 42   And then in a twig file  you can use    project version    or    project name      Note  I personally dislike adding things to app  just because that s the Symfony s variable and I don t know what will be stored there in the future

[symfony] How to get config parameters in Symfony2 Twig Templates

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