## Example

`

     string http_negotiate_language ( array $supported [, array &$result ] )

`

## Description

This function negotiates the clients preferred language based on its Accept-Language HTTP header. The qualifier is recognized and languages without qualifier are rated highest. The qualifier will be decreased by 10% for partial matches (i.e. matching primary language).

## Return Values

Returns the negotiated language or the default language (i.e. first array entry) if none match.