In a TWIG template, you can access the session data by using the app.session variable.
To display a string that contains HTML in a Twig template, you can use the raw filter.
In Twig, you can use the exists function to check if a specific key of an array exists.
This error message is typically related to a security feature called "Cross-Site Request Forgery" (CSRF) protection.
To loop through an array with keys in Twig, you can use the for loop and access the key and value of each element in the array using the loop variable.
In PHP, you can use the ternary operator to perform a shorthand if-then-else statement.