XML encoding UTF-16 using PHP ( I keep getting UTF-8)

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I have a PHP script that extracts an XML file from a MYSQL. I have the following line:\[code\]$xml='<?xml version="1.0" encoding="UTF-16"?>;\[/code\]But the extracted file is being recognized as UTF-8 UNIX (LF):

I need to have the encoding as UTF-16 and Windows CLRF. What is the correct syntax?Any help is appreciated.