Function parseHttpAcceptLanguage

This function will parse a given HTTP Accepted language instruction (or retrieve it from $_SERVER if not provided) and will return a sorted array. For example, it will parse fr;en-us;q=0.8

Thanks to Fredbird.org for this code.

Located at functions-i18n.php

Parameters summary
`string`	`$str = NULL`	optional language string

Return value summary
`array`	array

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Functions

Function parseHttpAcceptLanguage