Create a variable in one function and pass it to another in PHP?

If you are making 2 separate calls to this file, it may be helpful for you to visualise this as being 2 functions in 2 totally separate files. Although they exist in the same PHP file, because they used called in different calls, they don't retain the value of the variable $CID. Once the file has run, the variable is destroyed and when you call the file again, the value is null again.

I'm not sure where the hold up is. The code you have will work.

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