I have just felt the need to use heredoc to display multiple products from the database as it seems easier than trying to fiddle around with "" and ''. But like everything else, I am new to it and just wanted to know if I should use curly braces or not? I tried both ways and it didn't make a difference to what I saw outputted but I saw an example where someone said you should. I just wanted to know why. e.g.:
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