Online PHP editor | perf for 7II74

<?php session_start(); //db include_once('db.php'); $user_email = $_SESSION['email']; $resultuid = mysql_query("SELECT `id` FROM `tbluser` WHERE `email` = '$user_email'") or die(mysql_error()); $row_id = mysql_fetch_assoc($resultuid); $user_id = $row_id['id']; // id of the user if($_GET['id']){ $gid = $_GET['id']; $qcheck = mysql_query("SELECT * FROM groups WHERE id = '$gid'") or die("Error! Cheating the system is not tolerated here!"); $g = mysql_fetch_array($qcheck); $type = $g['type']; $qv = mysql_num_rows($qcheck); if($qv==0){ header("Location: /groups/?msg=No such group exists!"); } $time=time(); $qgroups = mysql_query("SELECT * FROM groupmembers WHERE member = '$user_id' AND id = '$gid' AND flag = '1'"); $countgroups = mysql_num_rows($qgroups); if($countgroups == 1){ die("Error: You are already a member of this group"); } else { $qchk = mysql_query("SELECT * FROM groupmembers WHERE member = '$user_id' AND id = '$gid'"); $grp = mysql_fetch_array($qchk); if($grp['flag']=='0'){ mysql_query("UPDATE groupmembers SET flag = '2' WHERE `member`='$user_id' AND `id`='$gid'") or die("Error occured!"); header("Location: /groups/?id=".$gid."&msg=You was a deleted or kickedout member of this group. However, the request to join this group is sent to the admin"); } elseif($grp['flag']=='2'){ header("Location: /groups/?id=".$gid."&msg=Your request to join this group is already pending!"); } elseif($grp['flag']=='3') { header("Location /groups/?id=".$gid."&msg=Your request to join this group is already pending!); } else { if($type=='closed') { $query = mysql_query("INSERT INTO `groupmembers` (id, member, flag, created) VALUES ('$gid', '$user_id', '3','$time')") or die(mysql_error()); header("Location: /groups/?id=".$gid."&msg=Your request to join the group is sent!"); } elseif($type=='open'){ $query = mysql_query("INSERT INTO `groupmembers` (id, member, flag, created) VALUES ('$gid', '$user_id', '1','$time')") or die(mysql_error()); header("Location: /groups/?id=".$gid."&msg=You are now a member of this group"); } else { header("Location: /groups/?msg=Error: Group not found!"); } } } } else { echo "Invalid access"; } ?>

Version	System time (s)	User time (s)	Memory (MiB)
5.4.17	0.012	0.043	12.40
5.4.16	0.011	0.043	12.39
5.4.15	0.013	0.045	12.39
5.4.14	0.015	0.043	12.08
5.4.13	0.012	0.041	12.06
5.4.12	0.016	0.048	12.02
5.4.11	0.013	0.042	12.02
5.4.10	0.010	0.044	12.02
5.4.9	0.011	0.043	12.02
5.4.8	0.011	0.043	12.02
5.4.7	0.011	0.042	12.02
5.4.6	0.014	0.042	12.01
5.4.5	0.014	0.042	12.02
5.4.4	0.013	0.045	12.00
5.4.3	0.016	0.041	12.00
5.4.2	0.016	0.041	12.00
5.4.1	0.014	0.040	12.00
5.4.0	0.011	0.041	11.49
5.3.26	0.014	0.043	12.72
5.3.25	0.010	0.043	12.72
5.3.24	0.013	0.043	12.72
5.3.23	0.016	0.060	12.71
5.3.22	0.012	0.045	12.68
5.3.21	0.011	0.045	12.68
5.3.20	0.012	0.044	12.68
5.3.19	0.012	0.044	12.68
5.3.18	0.012	0.043	12.67
5.3.17	0.012	0.042	12.67
5.3.16	0.015	0.039	12.67
5.3.15	0.012	0.043	12.67
5.3.14	0.012	0.045	12.66
5.3.13	0.013	0.043	12.66
5.3.12	0.014	0.042	12.66
5.3.11	0.013	0.054	12.66
5.3.10	0.012	0.044	12.12
5.3.9	0.014	0.042	12.08
5.3.8	0.012	0.046	12.07
5.3.7	0.020	0.059	12.08
5.3.6	0.015	0.040	12.07
5.3.5	0.017	0.045	12.00
5.3.4	0.014	0.044	12.00
5.3.3	0.013	0.042	11.97
5.3.2	0.011	0.043	11.75
5.3.1	0.014	0.041	11.71
5.3.0	0.012	0.042	11.70