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how to declare a dynamic array using ruby on rails

i am trying to declare a dynamic array like below.

<% Product_in_Stock_array = [] %>

but it is not working giving syntax error.

You have to be a bit more specific.

The code you have is most likely an erb template file. This is actually a valid erb template

ERB.new('<% Product_in_Stock_array = [] %>').result

Your syntax error has to be somewhere else.

Additionally you most likely want to create a variable not a constant. In Ruby names starting with capital letter are constants (written in UpperCamelCase or UPPER_CASE most often), normal variables are written in camel_case .

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