*/
try {
$this->dbh = new mysqli($this->mysqlhost, $this->mysqluser, $this->mysqlpass, $this->mysqldatabase);
if (mysqli_connect_errno()) {
//could not connect to db
echo "ERROR: Could not open connection to database";
exit;
}

}catch( Exception $exception ){
echo $exception->getMessage();
}
/*
$this->dbh = @mysql_connect($this->mysqlhost,$this->mysqluser,$this->mysqlpass,true);
//$this->dbh = new mysqli($this->mysqlhost,$this->mysqluser,$this->mysqlpass,$this->mysqldatabase);
if (!$this->dbh) {
$this->Error('Could not connect to the database. Please check your connection settings.');
$this->Error("Host: ".$this->mysqlhost.", User: ".$this->mysqluser.", Pass: ".$this->mysqlpass);
}
if($this->quit)
return;
if(!@mysql_select_db($this->mysqldatabase,$this->dbh))
$this->Error('Invalid database. Possibly typo or user does not have privileges on that database');
*/
return;
}
/**
* WhosOnline::TableSet($table, $create=true)
*
* Checks for the table. If it doesn't exist it will create the
* table if $create is true, otherwise it will return an error.
*
* @param string $table MySQL table where data is stored
* @param bool $create If true, a new table will be created, else echo MySQL error
* @return null Always null
*/
function TableSet($table, $create=true)
{
if($this->quit)
return;
$this->mysqltable=$table;
$tables = array();
$handle =$this->dbh;
$result = $handle->query("SHOW TABLES FROM ".$this->mysqldatabase);

//$query = @mysql_query("SHOW TABLES FROM ".$this->mysqldatabase,$this->dbh);
while ($row = $result->fetch_array()) {
$tables[] = $row[0];
}
if(!in_array($table,$tables) && $create==true)
$this->CreateTable();
else if(!in_array($table,$tables))
$this->Error('Table not found in database.');
return;
}
/**
* WhosOnline::CreateTable()
*
* Creates a MySQL table to store the data.
*
* @return null Always null
*/
function CreateTable()
{
$query="CREATE TABLE ".$this->mysqltable." (sid varchar(100),time int(100), user varchar(100))";
$handle =$this->dbh;
$result = $handle->query($query);

if(!$result)
$this->Error('Unable to create table.');
return;
}
/**
* WhosOnline::Error($message,$mysql)
*
* Displays an error message. If $bail is set to true, it will close the class.
* If $die is set to true, it will terminate the PHP display
*
* @param string $message Error message to be echoed
* @param string $message Error from mysql
* @return null Always null
*/
function Error($message,$mysql='')
{
if($this->die && $this->mysqlerrors)
die($mysql);
else if($this->die)
die($message);
if($this->mysqlerrors)
echo $mysql;
else
echo $message;
if($this->bail)
$this->quit=true;
return;
}
/**
* WhosOnline::DisplayMysqlErrors()
*
* When called, it will turn on mysql error display
*
* @return null Always null
*/
function DisplayMysqlErrors()
{
$this->mysqlerrors=true;
return;
}
/**
* WhosOnline::_destruct()
*
* Class destructor
*
* @return bool Always true
*/
function _destruct()
{
return true;
}
/**
* WhosOnline::Update()
*
* Update the users online
*
* @return null Always null
*
*/
function Update()
{
if($this->quit)
return;
$sid = session_id();
$query="SELECT * FROM ".$this->mysqltable." WHERE sid='$sid'";
$time=time();

$handle =$this->dbh;
$result = $handle->query($query);
//$rows= $result->fetch_array();
$size = $result->num_rows;

//$rows=mysql_num_rows(mysql_query($query,$this->dbh));
if($size!=0)
$query2="UPDATE ".$this->mysqltable." SET time='$time', user='".$this->username."' WHERE sid='$sid'";
else
$query2="INSERT INTO ".$this->mysqltable." (sid,time,user) VALUES ('$sid','$time','".$this->username."')";
$result2 = $handle->query($query2);
if(!$result2)
$this->Error('Error updating the user database.');
$this->Delete();
return;
}
/**
* WhosOnline::Data($return = 'INT')
*
* Returns the number of users considered "Online".
* If $return = 'ARRAY', an array of user names will be returned.
*
* @return int $users The number of people online
* @return array $online An array with the individual people online
*/
function Data($return = 'INT')
{
if($this->quit)
return;
$now=time();
$load=(int)$now-$this->idletime;
$query = "SELECT * FROM ".$this->mysqltable;

$handle =$this->dbh;
$result = $handle->query($query);

//$result=mysql_query($query,$this->dbh);
$users=0;
$members=0;
$guests=0;
$online=array();
while($row=$result->fetch_array())
{
if((int)$row['time']>$load)
{
if($row['user']!='Guest')
{
$online[]=$row['user'];
$members++;
}else
$guests++;
$users++;
}
}
$online['count']=$users;
$online['members']=$members;
$online['guests']=$guests;
if($return=="INT")
return $users;
else
return $online;
}
/**
* WhosOnline::DisplayImages
*
* Like WhosOnline::Data(), displays the number of users online
* but formatted a user defined pictures.
*
* @return string $output A html string with the digits represented by images
*/
function DisplayImages()
{
if(count($this->images)!=10)
$this->Error('Only '.count($this->images).' images defined.');
if($this->quit)
return;
$now=time();
$load=(int)$now-$this->idletime;
$query = "SELECT * FROM ".$this->mysqltable;
$handle =$this->dbh;
$result = $handle->query($query);

//$result=mysql_query($query,$this->dbh);
$users=0;
while($row=$result->fetch_array())
{
if((int)$row['time']>$load)
$users++;
}
$array=str_split($users);
$output='';
foreach($array as $digit)
{
$output.="images[$digit]}'>";
}
return $output;
}
/**
* WhosOnline::Delete()
*
* Deletes users who have "idled" to long from the database
*
* @return null Always null
*/
function Delete()
{
$now=time();
$load=(int)$now-$this->deletetime;
$query = "SELECT * FROM ".$this->mysqltable;

$handle =$this->dbh;
$result = $handle->query($query);