class.ilMDLanguageItem.php

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<?php

declare(strict_types=1);
/*
    +-----------------------------------------------------------------------------+
    | ILIAS open source                                                           |
    +-----------------------------------------------------------------------------+
    | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
    |                                                                             |
    | This program is free software; you can redistribute it and/or               |
    | modify it under the terms of the GNU General Public License                 |
    | as published by the Free Software Foundation; either version 2              |
    | of the License, or (at your option) any later version.                      |
    |                                                                             |
    | This program is distributed in the hope that it will be useful,             |
    | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
    | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
    | GNU General Public License for more details.                                |
    |                                                                             |
    | You should have received a copy of the GNU General Public License           |
    | along with this program; if not, write to the Free Software                 |
    | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
    +-----------------------------------------------------------------------------+
*/

class ilMDLanguageItem
{
    private string $language_code;

    public function __construct(string $a_code)
    {
        $this->language_code = $a_code;
    }

    public function getLanguageCode(): string
    {
        $lang = self::_getPossibleLanguageCodes();
        if (in_array($this->language_code, $lang)) {
            return $this->language_code;
        }
        return '';
    }

    public static function _getPossibleLanguageCodes(): array
    {
        return array(
            "aa",
            "ab",
            "af",
            "am",
            "ar",
            "as",
            "ay",
            "az",
            "ba",
            "be",
            "bg",
            "bh",
            "bi",
            "bn",
            "bo",
            "br",
            "ca",
            "co",
            "cs",
            "cy",
            "da",
            "de",
            "dz",
            "el",
            "en",
            "eo",
            "es",
            "et",
            "eu",
            "fa",
            "fi",
            "fj",
            "fo",
            "fr",
            "fy",
            "ga",
            "gd",
            "gl",
            "gn",
            "gu",
            "ha",
            "he",
            "hi",
            "hr",
            "hu",
            "hy",
            "ia",
            "ie",
            "ik",
            "id",
            "is",
            "it",
            "iu",
            "ja",
            "jv",
            "ka",
            "kk",
            "kl",
            "km",
            "kn",
            "ko",
            "ks",
            "ku",
            "ky",
            "la",
            "ln",
            "lo",
            "lt",
            "lv",
            "mg",
            "mi",
            "mk",
            "ml",
            "mn",
            "mo",
            "mr",
            "ms",
            "mt",
            "my",
            "na",
            "ne",
            "nl",
            "no",
            "oc",
            "om",
            "or",
            "pa",
            "pl",
            "ps",
            "pt",
            "qu",
            "rm",
            "rn",
            "ro",
            "ru",
            "rw",
            "sa",
            "sd",
            "sg",
            "sh",
            "si",
            "sk",
            "sl",
            "sm",
            "sn",
            "so",
            "sq",
            "sr",
            "ss",
            "st",
            "su",
            "sv",
            "sw",
            "ta",
            "te",
            "tg",
            "th",
            "ti",
            "tk",
            "tl",
            "tn",
            "to",
            "tr",
            "ts",
            "tt",
            "tw",
            "ug",
            "uk",
            "ur",
            "uz",
            "vi",
            "vo",
            "wo",
            "xh",
            "yi",
            "yo",
            "za",
            "zh",
            "zu"
        );
    }

    public static function _getLanguages(): array
    {
        global $DIC;

        $lng = $DIC->language();

        $lng->loadLanguageModule("meta");

        $langs = array();
        foreach (self::_getPossibleLanguageCodes() as $lngcode) {
            $langs[$lngcode] = $lng->txt("meta_l_" . $lngcode);
        }
        asort($langs);
        return $langs;
    }
}