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What happened last week in Symfony?
This week, the new Symfony 2.3 branch was created. In addition, the first Symfony 2.3 release candidate version was published, which includes tons of great small improvements. Lastly, one of the biggest Symfony events of the year, the Symfony Live Portland 2013 conference, will take place next week.
Upcoming EventsThe Symfony Community organizes events all over the world on a regular basis. Here are the next ones.
Netherlands, Utrecht — Symfony Meetup - Netherlands/Utrecht
on May 22, 2013, from 19:00 to 22:00
France, Montpellier — eZ UnConference #2
from May 27, 2013 to May 29, 2013
Germany, München — Symfony User Group München
on June 05, 2013, from 18:30 to 22:30
Germany, Köln — Symfony User Group Cologne steht an!
on June 05, 2013, from 19:00 to 22:00 - About
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How to Inject Variables into all Templates (i.e. Global Variables)
How to Inject Variables into all Templates (i.e. Global Variables)¶
Sometimes you want a variable to be accessible to all the templates you use.
This is possible inside your app/config/config.yml file:
- YAML
1 2 3 4 5
# app/config/config.yml twig: # ... globals: ga_tracking: UA-xxxxx-x
- XML
<!-- app/config/config.xml --> <twig:config ...> <!-- ... --> <twig:global key="ga_tracking">UA-xxxxx-x</twig:global> </twig:config> - PHP
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// app/config/config.php $container->loadFromExtension('twig', array( // ... 'globals' => array( 'ga_tracking' => 'UA-xxxxx-x', ), ));
Now, the variable ga_tracking is available in all Twig templates:
1 | <p>The google tracking code is: {{ ga_tracking }}</p>
|
It's that easy! You can also take advantage of the built-in Service Parameters system, which lets you isolate or reuse the value:
1 2 3 | # app/config/parameters.yml
parameters:
ga_tracking: UA-xxxxx-x
|
- YAML
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# app/config/config.yml twig: globals: ga_tracking: "%ga_tracking%"
- XML
<!-- app/config/config.xml --> <twig:config ...> <twig:global key="ga_tracking">%ga_tracking%</twig:global> </twig:config> - PHP
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// app/config/config.php $container->loadFromExtension('twig', array( 'globals' => array( 'ga_tracking' => '%ga_tracking%', ), ));
The same variable is available exactly as before.
More Complex Global Variables¶
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.
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