twig tutorial - Creating a Twig Extension - twig php - twig template
Creating a Twig_Extension :
- You can group all your custom functions/filters/tests/... inside a custom Twig_Extension class:
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ProjectTwigExtension
class ProjectTwigExtension extends Twig_Extension {
public function getFunctions() {
return array(
new Twig_SimpleFunction('twig_function_name', array($this, 'getTwigFunctionName')),
new Twig_SimpleFunction('twig_function_foo', array($this, 'getTwigFunctionFoo')),
);
}
public function getFilters() {
return array(
new Twig_SimpleFilter('twig_filter_name' , array($this, 'getTwigFilterName')),
new Twig_SimpleFilter('twig_filter_foo' , array($this, 'getTwigFilterFoo')),
);
}
public function getName() {
return 'ProjectTwigExtension';
}
}Register extension in twig
$twig = new Twig_Environment($loader);
$twig->addExtension(new ProjectTwigExtension());