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executable file 24 lines (21 sloc) 722 Bytes
//returns back new score of user if properly signed in, else returns -1
$killer_id = $_SESSION['user_id'];
if ($killer_id){
$killed_id = $_GET['friend_id'];
mysql_query("UPDATE views SET is_killed='0' WHERE (user_id = '$killed_id' AND viewed_by_id='$killer_id')");
$res = mysql_query("SELECT score FROM scores WHERE user_id='$killer_id'");
if (mysql_num_rows($res)){
$row = mysql_fetch_array($res);
$score = intval($row['score']);
$new_score = $score-1;
if ($new_score<0) $new_score=0;
mysql_query("UPDATE scores SET score='$new_score' WHERE user_id='$killer_id'");
echo $new_score;
else echo -1;
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