Untitled

<!DOCTYPE html>
<html>
    <head>
       <title>Результаты</title>
	   <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    </head>
    <body>
		<?php
			$count = 0;
			foreach($_GET as $a => $b)
			{
				$arr = explode('_', $a, 2);
				$type = $arr[0]; /*берет строку слева от от _*/
				$q_id = $arr[1]; /*берет число справа от _*/
				if($type == 'quest')
				{
					$q = mysql_query("SELECT `id` FROM `answers` WHERE `question_id`='$q_id' AND `answer`='$b' AND `is_right`=1");
					if (mysql_num_rows($q) == 1)
						$count++;
				}
				else
				{
					$q = mysql_query("SELECT `id` FROM `answers` WHERE `question_id`='$q_id' AND `id`='$b' AND `is_right`=1");
					if (mysql_num_rows($q) == 1)
						$count++;
				}
			}
			echo $count;
		?>
	</body>
</html>