How can users dynamically select their preferred language on a PHP website and retain that selection throughout their browsing session?

To allow users to dynamically select their preferred language on a PHP website and retain that selection throughout their browsing session, you can store the selected language in a session variable. Whenever a user changes the language, update the session variable accordingly. Then, on each page load, retrieve the selected language from the session variable and use it to display content in the chosen language. 

<?php
session_start();

if(isset($_GET['lang'])) {
    $_SESSION['language'] = $_GET['lang'];
}

$language = isset($_SESSION['language']) ? $_SESSION['language'] : 'en';

// Use $language variable to display content in the selected language
?>

Keywords

PHP session management language selection localization user preferences

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