If I recall correctly Twig doesn't support || and && operators, but requires or and and to be used respectively. I'd also use parentheses to denote the two statements more clearly although this isn't … I am using Twig as a templating engine. However, I ran in a situation which definitely must be accomplishable in a simpler way than I have found. What I have right now is this: {% for myVar in … · Quick Answer (TL;DR) Twig string concatenation may also be done with the format() filter Detailed Answer Context Twig 2.x String building and concatenation Problem Scenario: … I won't add this as an answer, but an alternative approach for people reaching this question is to store values in Markdown, like StackOverflow does. Then you could create a Twig filter with automatic … Is is possible to decode JSON in twig? Googling doesn't seem to yield anything about this. Does decoding JSON in Twig not make sense? I'm trying to access 2 entity properties on an Symfony2's … View layer pattern where you only present what you have been given is fine and all, but how do you know what is available? Is there a "list all defined variables" functionality in TWIG? Is there a ... · You can either: Change the name of Twig rendering template on the OpenCart level in the controller/common/header as @bogalakon pointed out (preferably to do this via ocmod so that your … Does Twig support ternary (shorthand if-else) operator? I need some conditional logic like: How can I set member of an already existing array from Twig? I tried doing it next way: {% set arr['element'] = 'value' %} but I got the following error: Unexpected token "punctuation" of value... Is it possible to check if given variable is string in Twig ? Expected solution: messages.en.yml: hello: stranger: Hello stranger ! known: Hello %name% ! Twig template: {% set title='hello.