Utf-8 Karakter Düzeltme

function cleanString($text, $convert = false, $cp1252 = false, $strip_tags = false, $html_entity = false, $windows_1252 = false, $new_line = false, $xml = false) {
    // 1) convert á ô => a o
    if($convert == true){
        $text = preg_replace("/[áàâãªä]/u","a",$text);
        $text = preg_replace("/[ÁÀÂÃÄ]/u","A",$text);
        $text = preg_replace("/[ÍÌÎÏ]/u","I",$text);
        $text = preg_replace("/[íìîï]/u","i",$text);
        $text = preg_replace("/[éèêë]/u","e",$text);
        $text = preg_replace("/[ÉÈÊË]/u","E",$text);
        $text = preg_replace("/[óòôõºö]/u","o",$text);
        $text = preg_replace("/[ÓÒÔÕÖ]/u","O",$text);
        $text = preg_replace("/[úùûü]/u","u",$text);
        $text = preg_replace("/[ÚÙÛÜ]/u","U",$text);
        $text = preg_replace("/[’‘‹›‚]/u","'",$text);
        $text = preg_replace("/[“”«»„]/u",'"',$text);
        $text = str_replace("–","-",$text);
        $text = str_replace(" "," ",$text);
        $text = str_replace("ñ","n",$text);
        $text = str_replace("Ñ","N",$text);
    }
 
    //2) Translation CP1252. – => -
    if($cp1252 == true){
        $trans = get_html_translation_table(HTML_ENTITIES); 
        $trans[chr(130)] = '‚';    // Single Low-9 Quotation Mark 
        $trans[chr(131)] = 'ƒ';    // Latin Small Letter F With Hook 
        $trans[chr(132)] = '„';    // Double Low-9 Quotation Mark 
        $trans[chr(133)] = '…';    // Horizontal Ellipsis 
        $trans[chr(134)] = '†';    // Dagger 
        $trans[chr(135)] = '‡';    // Double Dagger 
        $trans[chr(136)] = 'ˆ';    // Modifier Letter Circumflex Accent 
        $trans[chr(137)] = '‰';    // Per Mille Sign 
        $trans[chr(138)] = 'Š';    // Latin Capital Letter S With Caron 
        $trans[chr(139)] = '‹';    // Single Left-Pointing Angle Quotation Mark 
        $trans[chr(140)] = 'Œ';    // Latin Capital Ligature OE 
        $trans[chr(145)] = '‘';    // Left Single Quotation Mark 
        $trans[chr(146)] = '’';    // Right Single Quotation Mark 
        $trans[chr(147)] = '“';    // Left Double Quotation Mark 
        $trans[chr(148)] = '”';    // Right Double Quotation Mark 
        $trans[chr(149)] = '•';    // Bullet 
        $trans[chr(150)] = '–';    // En Dash 
        $trans[chr(151)] = '—';    // Em Dash 
        $trans[chr(152)] = '˜';    // Small Tilde 
        $trans[chr(153)] = '™';    // Trade Mark Sign 
        $trans[chr(154)] = 'š';    // Latin Small Letter S With Caron 
        $trans[chr(155)] = '›';    // Single Right-Pointing Angle Quotation Mark 
        $trans[chr(156)] = 'œ';    // Latin Small Ligature OE 
        $trans[chr(159)] = 'Ÿ';    // Latin Capital Letter Y With Diaeresis 
        $trans['euro'] = '€';    // euro currency symbol 
        ksort($trans); 
         
        foreach ($trans as $k => $v) {
            $text = str_replace($v, $k, $text);
        }
    }
 
    // 3) remove <p>, <br/> ...
    if($strip_tags == true){
        $text = strip_tags($text); 
    }
     
    // 4) &amp; => & &quot; => '
    if($html_entity == true){
        $text = html_entity_decode($text);
    }
     
    // 5) remove Windows-1252 symbols like "TradeMark", "Euro"...
    if($windows_1252 == true){
        $text = preg_replace('/[^(\x20-\x7F)]*/','', $text); 
    }
     
    if($new_line == true){
        $targets=array('\r\n','\n','\r','\t');
        $results=array(" "," "," ","");
        $text = str_replace($targets,$results,$text);
    }
 
    //XML compatible
    if($xml == true){
        $text = str_replace("&", "and", $text);
        $text = str_replace("<", ".", $text);
        $text = str_replace(">", ".", $text);
        $text = str_replace("\\", "-", $text);
        $text = str_replace("/", "-", $text);
    }
    
     
    return ($text);
}