php多语言选项实例

目录结构www为根目录

www/js/language.js

www/lang/Chinese.inc

www/lang/English.inc

www/lang/Korean.inc

www/lib/function.php

www/index.php

language.js

function changeLanguage(obj) {
    var url = document.URL;
    var re = re = /[?&]language=[^&]*/;
    url = url.replace(re, "");
    if (url.indexOf("?") > -1) {
        url += "&language=" + obj.value;
    } else {
        url += "?language=" + obj.value;
    }
    location.href = url;
}

Chinese.inc

<?php
$name = "名字";
?>

English.inc

<?php
$name = "name";
?>

Korean.inc

<?php
$name = "이름";
?>

function.php

<?php
  function getVailableLanguage() {
        
        $language = array(
            'af'          => 'Afrikaans',
            'az'          => 'Azerbaijani',
            'eu'          => 'Basque',
            'be'          => 'Belarusian',
            'be-lat'      => 'Belarusian latin',
            'bg'          => 'Bulgarian',
            'bs'          => 'Bosnian',
            'ca'          => 'Catalan',
            'zh'          => 'Chinese',
            //'zh-TW'         => 'Chinese traditional',
            //'zh-CN'         => 'Chinese simplified',
            'cs'          => 'Czech',
            'da'          => 'Danish',
            'de'          => 'German',
            'el'          => 'Greek',
            'en'          => 'English',
            'es'          => 'Spanish',
            'et'          => 'Estonian',
            'fa'          => 'Persian',
            'fi'          => 'Finnish',
            'fr'          => 'French',
            'gl'          => 'Galician',
            'he'          => 'Hebrew',
            'hi'          => 'Hindi',
            'hr'          => 'Croatian',
            'hu'          => 'Hungarian',
            'id'          => 'Indonesian',
            'it'          => 'Italian',
            'ja'          => 'Japanese',
            'ko'          => 'Korean',
            'ka'          => 'Georgian',
            'lt'          => 'Lithuanian',
            'lv'          => 'Latvian',
            'mk'          => 'Macedonian',
            'mn'          => 'Mongolian',
            'ms'          => 'Malay',
            'nl'          => 'Dutch',
            'no'          => 'Norwegian',
            'pl'          => 'Polish',
            'pt-BR'       => 'Brazilian portuguese',
            'pt'          => 'Portuguese',
            'ro'          => 'Romanian',
            'ru'          => 'Russian',
            'si'          => 'Sinhala',
            'sk'          => 'Slovak',
            'sl'          => 'Slovenian',
            'sq'          => 'Albanian',
            'sr-lat'      => 'Serbian latin',
            'sr'          => 'Serbian',
            'sv'          => 'Swedish',
            'th'          => 'Thai',
            'tr'          => 'Turkish',
            'tt'          => 'Tatarish',
            'uk'          => 'Ukrainian',
        );
        return $language;
    }
  function getLanguageName($language) {
        $languages = getVailableLanguage();
        return $languages[$language];
    }
  function array_language(){
    $array_language = array("en","zh","ko");
    return $array_language;
  }
  function getDefalutlanguage(){
        return "zh";
  } 
    
?>

index.php

<?php
session_start();
include "lib/function.php";
?>
<script src="js/language.js"></script>
<?php

if(isset($_GET["language"])){
    $_SESSION["language"] = $_GET["language"];
}elseif (!isset($_SESSION["language"])){
    $_SESSION["language"] = getDefalutlanguage();
}
$language_name = getLanguageName($_SESSION["language"]);
include "lang/".$language_name.".inc";
?>
<SELECT NAME="language" id="language" onchange="changeLanguage(this)">
<?php
    $language_array = array_language();
    foreach($language_array as $key => $value){
        if($_SESSION["language"] == $value){
            $selected = "selected = 'selected' ";
        }else{
            $selected = "";
        }
        
?>
<OPTION VALUE="<?php echo $value;?>" <?php echo $selected;?>><?php echo getLanguageName($value);?></OPTION>;
<?
    }
?>
    
</SELECT>
<?php 
    if($_GET["language"] == $value){
            //$selected = "selected = 'selected' ";
        }
echo "语言：".$_SESSION["language"];
echo "测试：".$name;
?>