How can dynamic language file creation be implemented in CodeIgniter for multi-language websites?

Dynamic Language File Creation for Multi-Language Websites using CodeIgniter

Problem:

When building a multi-language online site with CodeIgniter, users may encounter the challenge of passing data from a database to language files. The built-in language class lacks native support for database integration.

Solution:

Database Layout:

Create a table called lang_token with columns to store language-related information:

CREATE TABLE IF NOT EXISTS `lang_token` (
      `id` int(11) NOT NULL AUTO_INCREMENT,
      `category` text NOT NULL,
      `description` text NOT NULL,
      `lang` text NOT NULL,
      `token` text NOT NULL,
      PRIMARY KEY (`id`)
    ) ENGINE=InnoDB  DEFAULT CHARSET=latin1 AUTO_INCREMENT=3 ;

CodeIgniter Language File Structure:

English or German, etc. subdirectories should be created under the application/language directory. Each language should be stored in its own folder.

Creating Language Files on the Fly:

A custom function updatelangfile() can be created in a controller to generate language files dynamically:

function updatelangfile($my_lang){
        $this->db->where('lang',$my_lang);
        $query=$this->db->get('lang_token');

        $lang=array();
        $langstr="<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
                /**
                *
                * Created:  2014-05-31 by Vickel
                *
                * Description:  ".$my_lang." language file for general views
                *
                */"."\n\n\n";



        foreach ($query->result() as $row){
            //$lang['error_csrf'] = 'This form post did not pass our security checks.';
            $langstr.= "$lang['".$row->category."_".$row->description."'] = \"$row->token\";"."\n";
        }
        write_file('./application/language/'.$my_lang.'/general_lang.php', $langstr);

    }

Usage:

Whenever changes are made to the database, this function can be called to update the corresponding language files:

$this->updatelangfile('english');

Notes:

Remember to load the following in the constructor of the controller:

$this->load->helper('file');
$this->lang->load('general', 'english');

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