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Hi there, just trying to get some practice in by creating a simple php game - can someone tell me where am I going wrong please: Thanks in advance <?php $con = mysql_connect('localhost', 'root', ''); mysql_select_db("krish"); ?> QUESTION 1<br><br> How many bytes are used to represent the primitive...? <br><br> Choose the right answer:<br><br> <?php $query = mysql_query("SELECT * FROM questions WHERE question_id = 'Q1'"); while ($row = mysql_fetch_assoc($query)) { echo $row['option1'] . '<input type="radio" name="option_1" value="option1"><br>'; echo $row['option2'] . '<input type="radio" name="option_1" value="option2"><br>'; echo $row['option3'] . '<input type="radio" name="option_1" value="option3"><br>'; echo $row['option4'] . '<input type="radio" name="option_1" value="option4"><br>'; } $var = "select from answer questions where answer ='4'"; if (isset($var)) { echo 'correct answer'; } else { echo 'wrong answer'; } ?>