<?php 

function temizle($url) 
{ 
$url = trim($url); 
$find = array('<b>', '</b>'); 
$url = str_replace ($find, '', $url); 
$url = preg_replace('/<(\/{0,1})img(.*?)(\/{0,1})\>/', 'image', $url); 
$find = array(' ', '&amp;quot;', '&amp;amp;', '&amp;', '\r\n', '\n', '/', '\\', '+', '<', '>'); 
$url = str_replace ($find, '-', $url); 
$find = array('.','..', '...'); 
$url = str_replace ($find, '', $url); 
$find = array('é', 'è', 'ë', 'ê', 'É', 'È', 'Ë', 'Ê'); 
$url = str_replace ($find, 'e', $url); 
$find = array('í', 'ý', 'ì', 'î', 'ï', 'I', 'Ý', 'Í', 'Ì', 'Î', 'Ï','İ','ı'); 
$url = str_replace ($find, 'i', $url); 
$find = array('ó', 'ö', 'Ö', 'ò', 'ô', 'Ó', 'Ò', 'Ô'); 
$url = str_replace ($find, 'o', $url); 
$find = array('á', 'ä', 'â', 'à', 'â', 'Ä', 'Â', 'Á', 'À', 'Â'); 
$url = str_replace ($find, 'a', $url); 
$find = array('ú', 'ü', 'Ü', 'ù', 'û', 'Ú', 'Ù', 'Û'); 
$url = str_replace ($find, 'u', $url); 
$find = array('ç', 'Ç'); 
$url = str_replace ($find, 'c', $url); 
$find = array('þ', 'Þ','ş','Ş'); 
$url = str_replace ($find, 's', $url); 
$find = array('ð', 'Ð','ğ','Ğ'); 
$url = str_replace ($find, 'g', $url); 
$find = array('/[^A-Za-z0-9\-<>]/', '/[\-]+/', '/<[^>]*>/'); 
$repl = array('', '-', ''); 
$url = preg_replace ($find, $repl, $url); 
$url = str_replace ('--', '-', $url); 
$url = strtolower($url); 

return $url; 
} 

function sqlclean($txt) {

if (get_magic_quotes_gpc())
    $txt= stripslashes($txt);

$txt= mysql_real_escape_string($txt);
return $txt;
}

if(isset($_POST["gonder"])){ 
     
$baslik = sqlclean($_POST['baslik']); 
$content = sqlclean($_POST['content']); 
$resimyolu = $_POST['resimyolu']; 

if($baslik==""||$content==""||$resimyolu==""){ 

    echo '<div class="error msg" style="width:300px;"> 
            <b>Bütün alanları doldurmanız gerekmektedir.</b> 
                </div>'; 
}else{ 

mysql_query("SET NAMES 'utf8'"); 
mysql_query("SET CHARACTER SET utf8"); 
mysql_query("SET COLLATION_CONNECTION = 'utf8_bin'"); 
$query = mysql_query("insert into t_products(baslik,content,resimyolu) values('$baslik','$content','$resimyolu')");  

 echo "    <div class='done msg' style='width:200px;'> 
        <b>Proje Eklendi!</b> 
            </div>"; 
     } } 
?>
Deneyin hocam.