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Just a simple note here on how to include variables in strings in PHP. If you create or echo a string using double quotation marks you can simply embed variables in the string like so:

If you want to include double quotation marks within a string which you have enclosed with double quotation marks, you need to escape those quotation marks within the string with backslashes. See the PHP example below:

If you use single quotation marks to enclose a string, you can concetate variables together like so:

Here, the quotation marks are closed and opened, and full stops used to concetate the variables.

Hope that has been enlightening. Bye for now!