Symfony - Twig - How to check on instanceof class object
In Twig exist "constant" function that returns constant value, but if you set "class" in first parameter and object in second parameter, then function returns the fully qualified class name of an object. So we can use it in our case and compare it on class name that we want to check like "instanceof". Example: {% if constant('class', app.user) == 'User' %}{% endif %} Or with namespace: {% if constant('class', app.user) == 'EntityBundle\\Entity\\User' %}{% endif %}
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