88 lines
2 KiB
PHP
88 lines
2 KiB
PHP
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<?php
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/**
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* Class and Function List:
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* Function list:
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* - pick_language()
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* Classes list:
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*/
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defined('BASEPATH') OR exit('No direct script access allowed.');
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/**
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* Determines the language to use.
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*
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* This is called from the Codeigniter hook system.
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* The hook is defined in application/config/hooks.php
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*/
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function pick_language()
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{
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require APPPATH . '/config/language.php';
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// Re-populate $_GET
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parse_str($_SERVER['QUERY_STRING'], $_GET);
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// Lang set in URL via ?lang=something
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if (!empty($_GET['lang']))
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{
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// Turn en-gb into en
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$lang = strtolower(substr($_GET['lang'], 0, 2));
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}
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// Lang has already been set and is stored in a session
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elseif (!empty($_SESSION['lang_code']))
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{
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$lang = $_SESSION['lang_code'];
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}
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// Lang has is picked by a user.
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elseif (!empty($_COOKIE['lang_code']))
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{
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$lang = strtolower($_COOKIE['lang_code']);
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}
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// Still no Lang. Lets try some browser detection then
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elseif (!empty($_SERVER['HTTP_ACCEPT_LANGUAGE']))
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{
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// explode languages into array
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$accept_langs = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
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$supported_languages = $config['supported_languages'];
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// Check them all, until we find a match
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foreach ($accept_langs as $al)
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{
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// Check its in the array. If so, break the loop, we have one!
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foreach ($supported_languages as $i => $l)
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{
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if ($al == $l['codes'][2])
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{
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$lang = $i;
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break;
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}
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}
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}
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}
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// If no language has been worked out - or it is not supported - use the default
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if (empty($lang) OR !array_key_exists($lang, $config['supported_languages']))
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{
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$lang = $config['language'];
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}
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// Whatever we decided the lang was, save it for next time to avoid working it out again
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$_SESSION['lang_code'] = $lang;
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// Load CI config class
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$CI_config = & load_class('Config');
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// Set the language config. Selects the folder name from its key of 'en'
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$CI_config->set_item('language', $config['supported_languages'][$lang]['folder']);
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// Sets a constant to use throughout ALL of CI.
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define('AUTO_LANGUAGE', $lang);
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}
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