MARRE UN COUP UTF8 UN COUP ISO

<?php
/**
* Transforme toutes les chaines qu'elles soit utf8 ou iso en utf8
*/
class stringConverter_utf8 extends stringConverter {
    function convertString($string)
    {
        if ($this->string_type == 'utf-8')
            return $string;
        else
            return utf8_encode($string);
    }
}
/**
* Transforme touT en iso
*/
class stringConverter_iso extends stringConverter {
    function convertString($string)
    {
        if ($this->string_type == 'utf-8')
            return utf8_decode($string);
        else
            return $string;
    }
}

class stringConverter {
    var $string_type = ''; //Type d'encodage
    var $utf = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789²&é"\'(-è_çà)=~#{[|`\^@]}¨^$£¤ù%*µ!§:/;.?,<>€îïâûü&#968;&#936;&#969;&#937;&#935;&#967;&#934;&#966;ÛÊËÜÏÎñÑõÕ‰ƒ¾½¼³¹º±×÷ÁáÀÂÅåãÃäÄæÆçÇéÉÈÌíÍìøØßÿ´`&#945;&#913;&#946;&#914;&#947;&#915;&#948;&#916;&#949;&#917;&#950;&#918;&#951;&#919;&#952;&#920;&#953;&#921;&#954;&#922;&#955;&#923;&#956;&#924;&#957;&#925;&#958;&#926;&#959;&#927;&#960;&#928;&#961;&#929;&#963;&#962;&#931;&#964;&#932;&#965;&#933;–—¡¿&¢©µ·¶£®§¥™"«»…';

	function __construct(){
		$this->utf8_caracteres= preg_split('//', $this->utf, -1, PREG_SPLIT_NO_EMPTY);
	}
    function analyse($string)
    {
        $this->chars = preg_split('//', $string, -1, PREG_SPLIT_NO_EMPTY);
        foreach($this->chars as $char) {
            if ($this->string_type == '')
                $this->string_type = $this->analyseChar($char);
            else{
                $s=$this->convertString($string);
                $analyser->string_type='';
                return $s;
                }
        }
        return $string;
    }

    protected function analyseChar($char)
    {
        if (utf8_encode($char) == utf8_decode($char))
            return $this->string_type;
        if (in_array($char,$this->utf8_caracteres))
            return 'utf-8';
        return 'iso-8859-1';
    }
}

?>