php man page for http_negotiate_language

HTTP_NEGOTIATE_LANGUAGE(3)						 1						HTTP_NEGOTIATE_LANGUAGE(3)

http_negotiate_language - Negotiate client's preferred language

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

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

PARAMETERS
	      o $supported
		- array containing the supported languages as values

	      o $result
		- will be filled with an array containing the negotiation results

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

EXAMPLES
       Example #1

	      Using http_negotiate_language(3)

	      <?php
	      $langs = array(
		      'en-US',// default
		      'fr',
		      'fr-FR',
		      'de',
		      'de-DE',
		      'de-AT',
		      'de-CH',
	      );

	      include './langs/'. http_negotiate_language($langs, $result) .'.php';

	      print_r($result);
	      ?>

PHP Documentation Group 												HTTP_NEGOTIATE_LANGUAGE(3)