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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.
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
Spain, Madrid — deSymfony 2013
from June 21, 2013 to June 23, 2013 - About
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Iniettare variabili in tutti i template (variabili globali)
Iniettare variabili in tutti i template (variabili globali)¶
A volte si vuole che una variabile sia accessibile in tutti i template usati.
Lo si può fare, modificando il file app/config/config.yml:
- 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', ), ));
Ora, la variabile ga_tracking è disponibile in tutti i template Twig
1 | <p>Il codice di tracciamento Google è: {{ ga_tracking }} </p>
|
È molto facile! Si può anche usare il sistema I parametri del servizio, che consente di isolare o riutilizzare il valore:
1 2 3 | # app/config/parameters.yml
parameters:
ga_tracking: UA-xxxxx-x
|
- YAML
1 2 3 4
# 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%', ), ));
La stessa variabile è disponibile esattamente come prima.
Variabili globali più complesse¶
Se la variabile globale che si vuole impostare è più complicata, per esempio un oggetto,
non si potrà usare il metodo precedente. Invece, occorrerà creare
un'estensione Twig e restituire la
variabile globale come una delle voci del metodo getGlobals.
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