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    Adding Language Switcher in header , WP

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    Currently, I'm building multi languages blog. As I know, almost WP language translator plugins are based on .po & .mo files. here is a problem. A new language what I'm going to add does not exist with .po & .mo files, it's just a dialect(local) language.

    That's why I defined in php and grab the language.php files as below code.

    header.php

    <a href="<?php echo $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]; ?>/?lang=newlanguage"> New Language</a>
<a href="<?php echo $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]; ?>/?lang=eng">English</a>

    function.php

    <?php session_start();
$_SESSION['language'] = $_GET['lang'];
if ( $_SESSION['language'] == 'newlanguage' ) {
require (TEMPLATEPATH .'/languages/new-language.php');
}
else {
require (TEMPLATEPATH .'/languages/english.php');  // default language
} ?>

    the problem is it doesn't work, if I load to the new page, "new-language" is disappear and it automatically changes to the default language.

    My question is Can someone guide me to the right way/codes with developer solution?

    Currently, I'm building multi languages blog. As I know, almost WP language translator plugins are based on .po & .mo files. here is a problem. A new language what I'm going to add does not exist with .po & .mo files, it's just a dialect(local) language.

    That's why I defined in php and grab the language.php files as below code.

    header.php

    <a href="<?php echo $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]; ?>/?lang=newlanguage"> New Language</a>
<a href="<?php echo $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]; ?>/?lang=eng">English</a>

    function.php

    <?php session_start();
$_SESSION['language'] = $_GET['lang'];
if ( $_SESSION['language'] == 'newlanguage' ) {
require (TEMPLATEPATH .'/languages/new-language.php');
}
else {
require (TEMPLATEPATH .'/languages/english.php');  // default language
} ?>

    the problem is it doesn't work, if I load to the new page, "new-language" is disappear and it automatically changes to the default language.

    My question is Can someone guide me to the right way/codes with developer solution?

    • language
    Share Improve this question edited Feb 14, 2013 at 10:22 Eugene Manuilov 11.4k4 gold badges44 silver badges50 bronze badges asked Feb 14, 2013 at 10:19 RonaldRonald 1,0849 silver badges16 bronze badges 5
    • possible duplicate of How to update the language used by wordpress from a plugin – kaiser Commented Feb 14, 2013 at 13:32
    • Please take a look at this question. Your question was already asked and answered two times. – kaiser Commented Feb 14, 2013 at 13:32
    • If the .po file, and its correspondent .mo, don't exist, you have to create it yourself. – brasofilo Commented Feb 14, 2013 at 18:45
    • @ronaldtgi, please add your solution as an Answer. – brasofilo Commented Feb 23, 2013 at 10:35
    • Does this answer your question? How to update the language used by wordpress from a plugin – Gonçalo Peres Commented Apr 30, 2020 at 7:42
    Add a comment  | 

    2 Answers 2

    Reset to default 0

    http://wordpress/extend/plugins/wcm-user-language-switcher I tried wcm language switcher, it only supports for users, not for guest who are not logged in. anyway thanks to kaiser & brasofilo.

    Finally, I got a solution with theme switcher plugin http://wordpress/extend/plugins/theme-switcher I duplicate my theme and keep one is default, then create next one for new-language. even it takes more space in hosting, it was definitely what I need.

    just add to header.php as the follow codes <?php wp_theme_switcher(); ?> or <?php wp_theme_switcher('dropdown'); ?>

    it allowed for all users,guests and also eveyone can switch without logging in. theme switcher plugin also provide for sidebar widget with dropdown & lists style.

    Try https://wordpress/plugins/language-switcher/

    Language Switcher allows you to map urls of alternative languages for Post Types and Taxonomies.

    Additionally it allows you to filter archive pages by language.

    It is a good option if your multi-language architecture includes different wordpress installations but it also works for centralized architecture with all the content under the same installation.

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