<?php
$dizi = array();
$ilkq =  mysql_query("SELECT * FROM ilktablo ORDER BY id ASC");
while ($ilk = mysql_fetch_array($ilkq, MYSQL_ASSOC))
{
	$dizi[]=$ilk["id"];
}
$ikinci = mysql_fetch_array(mysql_query("SELECT * FROM ikincitablo WHERE id='1'"), MYSQL_ASSOC);
$yaz1 = explode(",", $ikinci["degerismi"]);
for($i=0;isset($yaz1[$i]);$i++)
{
	if(in_array($yaz1[$i], $dizi))
	{
		echo '<font color="red">'.$yaz1[$i].'</font>';
	}
	else
	{
		echo $yaz1[$i];
	}
	if (isset($yaz1[$i+1]))
	{
		echo ',';
	}
}
?>