Php Variable Return Function Variable VGkSsou7o68

Web Reference: Functions which return references, may return a NULL value. This is inconsistent with the fact that function parameters passed by reference can't be passed as NULL (or in fact anything which isnt a variable). I'm building an XML page inside of a function, and for some strange reason I don't get the whole thing spit out of the function. I've tried return $thisXml; } echo $thisXML; and I only get the xml The return keyword ends a function and, optionally, uses the result of an expression as the return value of the function. If return is used outside of a function, it stops PHP code in the file from running.

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