如何从一个文本输入“也许jquery”获取多个值并将它们插入数据库中的不同行？

Question

i am trying to use one text box input to get from the user one value eachtime they press submit ,and insert them in my wordpress database to their respective rows . the columns ill be inserting values in are (q1,q2,q3...q50)

<?php
$i = '1';
$quest = str_replace("1",$i,'q1');
$current_user_id = get_current_user_id();
$answer = $_GET['answer'];
$address   = get_user_meta($quest, $current_user_id );
if (!empty($address)) {$rows = $wpdb->update( 
    'wp_database_users', 
    array( 
        $quest => $answer), 
    array( 'ID' => $current_user_id ), 
    array( 
        '%s',   // value1
        '%d'    // value2
    ), 
    array( '%d' ) 
);
} else {
$i = $i+1 ;
$quest = str_replace("1",$i,'q1');
$current_user_id = get_current_user_id();
$answer = $_GET['answer'];
$address   = get_user_meta($quest, $current_user_id );
    $rows = $wpdb->update( 
    'wp_1m4ya4r4gg_users', 
    array( 
        $quest => $answer), 
    array( 'ID' => $current_user_id ), 
    array( 
        '%s',   // value1
        '%d'    // value2
    ), 
    array( '%d' ) 
);
}
?>

<center>
<iframe name="votar" style="display:none;"></iframe>
<form method="GET" action="" target="votar">
  <input type="text" name="answer" type='hidden' ><br>
  <input type="submit" value="Submit">
</form>
</center>