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ConstantExtention allows you testing if a PHP constant is already defined from a Twig template - is constant defined - constant exists - twig - symfony
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timotheemoulin/TwigConstantExtension
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Twig Constant Extension ========================== For any question : [email protected] How to use : ========================== 1. Copy the extension under /Acme/TwigExtensionBundle/Twig/ConstantExtension.php 2. Add the following lines in /Acme/TwigExtensionBundle/Resources/config/services.yml (or in any loaded configuration file (eg config.yml) 3. Call the function from your Twig template as following: {%if isConstDefined('myConstant')%} It will return you true if the constant is already defined and false otherwise.
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ConstantExtention allows you testing if a PHP constant is already defined from a Twig template - is constant defined - constant exists - twig - symfony
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