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<?

$table_name = "upgrade1";
$row[uid] = "1";
$t_name = explode("_",$table_name);

$tablename = $t_name[0] . $t_name[1] . "_";

$t_number = $tablename.$row[uid];

if(!eregi($t_number,$upgrade_number)){
    echo("y");
}else {echo("n");}


session_register($upgrade_number);
$upgrade_number =  "$upgrade_number:$t_number";


echo($upgrade_number);
?>