$host="localhost"; // Host name
     $username="root"; // Mysql username
     $password="pass"; // Mysql password
     $db_name="test"; // Database name
     $tbl_name="forum_topics"; // Table name -- LEAVE THIS AS IT IS
 
     mysql_connect($host, "$username", "$password")or DIE("cannot connect");
     mysql_select_db($db_name)or DIE("cannot select DB");
     IF (ISSET($_GET['type']) && $_GET['type'] == "setup") {
 
          $sql = "CREATE TABLE `forum_topics` (
          `id` int(4) NOT NULL auto_increment,
          `topic` varchar(255) NOT NULL default '',
          `detail` longtext NOT NULL,
          `name` varchar(65) NOT NULL default '',
          `email` varchar(65) NOT NULL default '',
          `datetime` varchar(25) NOT NULL default '',
          `view` int(4) NOT NULL default '0',
          `reply` int(4) NOT NULL default '0',
          PRIMARY KEY (`id`)
          ) TYPE=MyISAM AUTO_INCREMENT=1 ;";
          $sql2 = "CREATE TABLE `forum_replies` (
          `thread_id` int(4) NOT NULL default '0',
          `a_id` int(4) NOT NULL default '0',
          `a_name` varchar(65) NOT NULL default '',
          `a_email` varchar(65) NOT NULL default '',
          `a_answer` longtext NOT NULL,
          `a_datetime` varchar(25) NOT NULL default '',
          KEY `a_id` (`a_id`)
          ) TYPE=MyISAM;";
          mysql_query($sql);
          mysql_query($sql2);
     }ELSEIF (ISSET($_GET['type']) && $_GET['type'] == "create") {
          ECHO "<table width=\"400\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"1\" bgcolor=\"#CCCCCC\"><tr><form id=\"form1\" name=\"form1\" method=\"post\" action=\"".$PHP_SELF."?type=post\"><td><table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"1\" bgcolor=\"#FFFFFF\"><tr><td colspan=\"3\" bgcolor=\"#E6E6E6\"><strong>Create New Topic</strong> </td></tr><tr><td width=\"14%\"><strong>Topic</strong></td><td width=\"2%\">:</td><td width=\"84%\"><input name=\"topic\" type=\"text\" id=\"topic\" size=\"50\" /></td></tr><tr><td valign=\"top\"><strong>Detail</strong></td><td valign=\"top\">:</td><td><textarea name=\"detail\" cols=\"50\" rows=\"3\" id=\"detail\"></textarea></td></tr><tr><td><strong>Name</strong></td><td>:</td><td><input name=\"name\" type=\"text\" id=\"name\" size=\"50\" /></td></tr><tr><td><strong>Email</strong></td><td>:</td><td><input name=\"email\" type=\"text\" id=\"email\" size=\"50\" /></td></tr><tr><td>&nbsp;</td><td>&nbsp;</td><td><input type=\"submit\" name=\"Submit\" value=\"Submit\" /> <input type=\"reset\" name=\"Submit2\" value=\"Reset\" /></td></tr></table></td></form></tr></table>";
     }ELSEIF (ISSET($_GET['type']) && $_GET['type'] == "post") {
          $topic=$_POST['topic'];
          $detail=$_POST['detail'];
          $name=$_POST['name'];
          $email=$_POST['email'];
          $datetime=DATE("d/m/y h:i:s"); //create date time
          $sql="INSERT INTO $tbl_name(topic, detail, name, email, datetime)VALUES('$topic', '$detail', '$name', '$email', '$datetime')";
          $result=mysql_query($sql);
          IF($result){
               ECHO "Successful<BR>";
               ECHO "<a href=\"".$PHP_SELF."\">View your topic</a>";
          }ELSE {
               ECHO "Error Posting.";
          }
     }ELSEIF (!ISSET($_GET['type'])) {
          $sql="SELECT * FROM $tbl_name ORDER BY id DESC";
          // OREDER BY id DESC is order result by descending
          $result=mysql_query($sql);
          ECHO "<table width=\"90%\" border=\"0\" align=\"center\" cellpadding=\"3\" cellspacing=\"1\" bgcolor=\"#CCCCCC\"><tr><td width=\"6%\" align=\"center\" bgcolor=\"#E6E6E6\"><strong>#</strong></td><td width=\"53%\" align=\"center\" bgcolor=\"#E6E6E6\"><strong>Topic</strong></td><td width=\"15%\" align=\"center\" bgcolor=\"#E6E6E6\"><strong>Views</strong></td><td width=\"13%\" align=\"center\" bgcolor=\"#E6E6E6\"><strong>Replies</strong></td><td width=\"13%\" align=\"center\" bgcolor=\"#E6E6E6\"><strong>Date/Time</strong></td></tr>";
          WHILE($rows=mysql_fetch_array($result)){ // Start looping table row 
               ECHO "<tr><td bgcolor=\"#FFFFFF\">".$rows['id']."</td><td bgcolor=\"#FFFFFF\"><a href=\"".$PHP_SELF."?type=view&id=".$rows['id']."\">".$rows['topic']."</a><BR></td><td align=\"center\" bgcolor=\"#FFFFFF\">".$rows['view']."</td><td align=\"center\" bgcolor=\"#FFFFFF\">".$rows['reply']."</td><td align=\"center\" bgcolor=\"#FFFFFF\">".$rows['datetime']."</td></tr>";
          }
          ECHO "<tr><td colspan=\"5\" align=\"right\" bgcolor=\"#E6E6E6\"><a href=\"".$PHP_SELF."?type=create\"><strong>Create New Topic</strong> </a></td></tr></table>";
     }ELSEIF (ISSET($_GET['type']) && $_GET['type'] == 'view') {
          // get value of id that sent from address bar
          $id=$_GET['id'];
          $sql="SELECT * FROM $tbl_name WHERE id='$id'";
          $result=mysql_query($sql);
          $rows=mysql_fetch_array($result);
 
          ECHO "<table width=\"400\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"1\" bgcolor=\"#CCCCCC\"><tr><td><table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"1\" bordercolor=\"1\" bgcolor=\"#FFFFFF\"><tr><td bgcolor=\"#F8F7F1\"><strong>".$rows['topic']."></strong></td></tr><tr><td bgcolor=\"#F8F7F1\">".$rows['detail']."</td></tr><tr><td bgcolor=\"#F8F7F1\"><strong>By :</strong> ".$rows['name']." <strong>Email : </strong>".$rows['email']."</td></tr><tr><td bgcolor=\"#F8F7F1\"><strong>Date/time : </strong>".$rows['datetime']."</td></tr></table></td></tr></table><BR>";
          $tbl_name2="forum_replies"; // Switch to replies table
          $sql2="SELECT * FROM $tbl_name2 WHERE thread_id='$id'";
          $result2=mysql_query($sql2);
          WHILE($rows=mysql_fetch_array($result2)){
               ECHO "<table width=\"400\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"1\" bgcolor=\"#CCCCCC\"><tr><td><table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"1\" bgcolor=\"#FFFFFF\"><tr><td bgcolor=\"#F8F7F1\"><strong>ID</strong></td><td bgcolor=\"#F8F7F1\">:</td><td bgcolor=\"#F8F7F1\">".$rows['a_id']."</td></tr><tr><td width=\"18%\" bgcolor=\"#F8F7F1\"><strong>Name</strong></td><td width=\"5%\" bgcolor=\"#F8F7F1\">:</td><td width=\"77%\" bgcolor=\"#F8F7F1\">".$rows['a_name']."</td></tr><tr><td bgcolor=\"#F8F7F1\"><strong>Email</strong></td><td bgcolor=\"#F8F7F1\">:</td><td bgcolor=\"#F8F7F1\">".$rows['a_email']."</td></tr><tr><td bgcolor=\"#F8F7F1\"><strong>Answer</strong></td><td bgcolor=\"#F8F7F1\">:</td><td bgcolor=\"#F8F7F1\">".$rows['a_answer']."</td></tr><tr><td bgcolor=\"#F8F7F1\"><strong>Date/Time</strong></td><td bgcolor=\"#F8F7F1\">:</td><td bgcolor=\"#F8F7F1\">".$rows['a_datetime']."</td></tr></table></td></tr></table><br>";
          }
          $sql3="SELECT view FROM $tbl_name WHERE id='$id'";
          $result3=mysql_query($sql3);
          $rows=mysql_fetch_array($result3);
          $view=$rows['view'];
          // if have no counter value set counter = 1
          IF(EMPTY($view)){
               $view=1;
               $sql4="INSERT INTO $tbl_name(view) VALUES('$view') WHERE id='$id'";
               $result4=mysql_query($sql4);
          }
          // count more value
          $addview=$view+1;
          $sql5="update $tbl_name set view='$addview' WHERE id='$id'";
          $result5=mysql_query($sql5);
 
          ECHO "<BR><table width=\"400\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"1\" bgcolor=\"#CCCCCC\"><tr><form name=\"form1\" method=\"post\" action=\"".$PHP_SELF."?type=reply\"><td><table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"1\" bgcolor=\"#FFFFFF\"><tr><td width=\"18%\"><strong>Name</strong></td><td width=\"3%\">:</td><td width=\"79%\"><input name=\"a_name\" type=\"text\" id=\"a_name\" size=\"45\"></td></tr><tr><td><strong>Email</strong></td><td>:</td><td><input name=\"a_email\" type=\"text\" id=\"a_email\" size=\"45\"></td></tr><tr><td valign=\"top\"><strong>Answer</strong></td><td valign=\"top\">:</td><td><textarea name=\"a_answer\" cols=\"45\" rows=\"3\" id=\"a_answer\"></textarea></td></tr><tr><td>&nbsp;</td><td><input name=\"id\" type=\"hidden\" value=\"".$id."\"></td><td><input type=\"submit\" name=\"Submit\" value=\"Submit\"> <input type=\"reset\" name=\"Submit2\" value=\"Reset\"></td></tr></table></td></form></tr></table>";
     }ELSEIF (ISSET($_GET['type']) && $_GET['type'] == "reply") {
          // Get value of id that sent from hidden field
          $id=$_POST['id'];
          // Find highest answer number.
          $sql="SELECT MAX(a_id) AS Maxa_id FROM $tbl_name WHERE thread_id='$id'";
          $result=mysql_query($sql);
          $rows=mysql_fetch_array($result);
          // add + 1 to highest answer number and keep it in variable name "$Max_id". if there no answer yet set it = 1
          IF ($rows) {
               $Max_id = $rows['Maxa_id']+1;
          }ELSE {
               $Max_id = 1;
          }
          // get values that sent from form
          $a_name=$_POST['a_name'];
          $a_email=$_POST['a_email'];
          $a_answer=$_POST['a_answer'];
          $datetime=DATE("d/m/y H:i:s"); // create date and time
          // Insert answer
          $sql2="INSERT INTO $tbl_name(thread_id, a_id, a_name, a_email, a_answer, a_datetime)VALUES('$id', '$Max_id', '$a_name', '$a_email', '$a_answer', '$datetime')";
          $result2=mysql_query($sql2);
          IF($result2){
               ECHO "Successful<BR>";
               ECHO "<a href='".$PHP_SELF."?type=view&id=".$id."'>View your answer</a>";
               // If added new answer, add value +1 in reply column
               $tbl_name2="forum_question";
               $sql3="UPDATE $tbl_name2 SET reply='$Max_id' WHERE id='$id'";
               $result3=mysql_query($sql3);
          }
          ELSE {
               ECHO "ERROR";
          }
     }