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unicode2iso plugin 

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The unicode2iso Plugin for CodeIgniter is a simple plugin that allow you to covert an UTF-8 string containing HTML into an ISO-8859-1 string using HTML special chars without stripping the HTML of the original string.

You have to set manually in $retrieve all HTML elements wich you allow to be retrieved.

Plugin home : unicode2iso Plugin

How to use :



echo unicode2iso($yourString);


Plugin's code :

<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

 * unicode2iso plugin for CodeIgniter applications
 * @author : Samuel Sanchez,, April 2009
 * @link : 
 * @license : free

     * Take an UTF8 string, and return an ISO-8859-1 string with all HTML special chars encoded exept those defined in the $retrieve array.
     * @param string $str
     * @return string
    function unicode2iso($str) {

        //Define HTML elements to retrive after conversion
        $retrieve = array('<br>', '<br />', '<br/>', '<u>',    '</u>', '<i>', '</i>', '<b>', '</b>');

        //HTML special chars conversion
        $str = htmlentities($str, ENT_QUOTES, 'UTF-8');

        //ISO-8859-1 conversion
        $str = utf8_decode($str);

        //Now, we resore our HTML elements
        foreach($retrieve as $row) {
            $str = str_replace(htmlentities($row, ENT_QUOTES), $row, $str);

        return $str;        


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