ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
class.ilHttpRequestsLanguageDetector.php
Go to the documentation of this file.
1<?php
2/* Copyright (c) 1998-2015 ILIAS open source, Extended GPL, see docs/LICENSE */
3
4require_once 'Services/Language/interfaces/interface.ilLanguageDetector.php';
5
12{
16 protected $header_value;
17
21 public function __construct($header_value)
22 {
23 $this->header_value = $header_value;
24 }
25
31 public function getIso2LanguageCode()
32 {
33 if(strlen($this->header_value))
34 {
35 $matches = array();
36 // Format: de,de-DE;q=0.8,en-US;q=0.6,en;q=0.4
37 preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i', $this->header_value, $matches);
38 if(count($matches[1]))
39 {
40 $langs = array_combine($matches[1], $matches[4]);
41 foreach($langs as $lang => $val)
42 {
43 if($val === '')
44 {
45 $langs[$lang] = 1;
46 }
47 }
48
49 arsort($langs, SORT_NUMERIC);
50
51 $keys = array_keys($langs);
52 if(isset($keys[0]))
53 {
54 return substr($keys[0], 0, 2);
55 }
56 }
57 }
58
59 require_once 'Services/Language/exceptions/class.ilLanguageException.php';
60 throw new ilLanguageException('Could not extract any language information from request.');
61 }
62}
Class ilHttpRequestsLanguageDetector.
getIso2LanguageCode()
Returns the detected ISO2 language code.
Class for language related exception handling in ILIAS.
Interface ilLanguageDetector.