Online script

Auteur: leendert - 07 augustus 2005 - 17:58 - Gekeurd door: Joel - Hits: 4972 - Aantal punten: (0 stemmen)

Een script waarmee je kan zien hoeveel gasten/leden er online zijn. Ook is te zien welke leden er online zijn:

Dit is de tabel:

CREATE TABLE `online` (
`ip` varchar(20) NOT NULL default '',
`locatie` varchar(255) NOT NULL default '',
`tijd` varchar(30) NOT NULL default '',
`user_id` int(10) NOT NULL default '0',
`username` varchar(255) NOT NULL default ''
) TYPE=MyISAM;

Voor meer info zie code.

##
Dit script maakt gebruik van sessies
##

Code:

php code - Bekijk de code zonder highlighting - Klap code in

<?  
// sessie zelf instellen 
if ( isSet ( $_SESSION['user_id'] ) ) 
{ 
    $iUser_id = $_SESSION['user_id']; 
} 
else 
{ 
    $iUser_id = 0; 
} 

$rQueryUsernameBepalen = mysql_query ( "SELECT id, username FROM users WHERE id = ".$iUser_id ) or die ( mysql_error() ); 
$aQueryUsernameBepalen = mysql_fetch_assoc ( $rQueryUsernameBepalen ); 
$sUsername = $aQueryUsernameBepalen['username']; 

/* #### INSTELBARE VARIABELEN #### */ 

$sIpadres = $_SERVER['REMOTE_ADDR']; 
$sHuidigePagina = $_SERVER['HTTP_REFERER']; 
$sTime = time()+180; // is 3 minuten 



$sQuerySelectOnline = "SELECT count(*) FROM online WHERE ip = '".$_SERVER['REMOTE_ADDR']."'";  

$rQuerySelectOnline = mysql_query ( $sQuerySelectOnline );  

$aQuerySelectOnline = mysql_result ( $rQuerySelectOnline,0 );  

// wanneer het ipadres er nog niet instaat 

if ( $aQuerySelectOnline == 0 )  
{  
    $rQueryInsert = mysql_query ( "INSERT 
                                         INTO online ( ip, locatie, tijd, user_id, username ) 
                                   VALUES ('" . mysql_real_escape_string($sIpadres) . "','" . mysql_real_escape_string($sHuidigePagina) . "','" . mysql_real_escape_string($sTime) . "', '" . mysql_real_escape_string($iUser_id) . "', '" . mysql_real_escape_string($sUsername) . "' ) " ) or die ( mysql_error() ); 
}  
else // het ipadres staat er dus wel in 
{  
    $rQueryUpdate = mysql_query ( "UPDATE online 
                                        SET locatie='" . mysql_real_escape_string($_SERVER['HTTP_REFERER']) . "', tijd = '" . mysql_real_escape_string($sTime) . "', user_id = '" . mysql_real_escape_string($iUser_id) . "', username = '" . mysql_real_escape_string($sUsername) . "' 
                                   WHERE ip = '" . mysql_real_escape_string($_SERVER['REMOTE_ADDR'])."'" ) or die ( mysql_error()); 
}   


$iHuidigeTijd = time();  

mysql_query("DELETE FROM online WHERE tijd < $iHuidigeTijd");  

$sQueryGastenOnline = "SELECT * FROM online WHERE user_id = 0";  
$rQueryGastenOnline = mysql_query ( $sQueryGastenOnline );  
$iAantalGastenOnline = mysql_num_rows ( $rQueryGastenOnline );  

$sQueryLedenOnline = "SELECT * FROM online WHERE user_id <> 0";  
$rQueryLedenOnline = mysql_query ( $sQueryLedenOnline );  
$iAantalLedenOnline = mysql_num_rows ( $rQueryLedenOnline );  


echo "Gasten: ".$iAantalGastenOnline."<br />";  
echo "Leden: ".$iAantalLedenOnline."<br />"; 

while ( $aQueryLedenOnline = mysql_fetch_assoc ( $rQueryLedenOnline ) ) 
{ 
 echo '<a href=#>'.$aQueryLedenOnline['username'].'</a>,'; 
} 
?>

<?  
// sessie zelf instellen 
if ( isSet ( $_SESSION['user_id'] ) ) 
{ 
    $iUser_id = $_SESSION['user_id']; 
} 
else 
{ 
    $iUser_id = 0; 
} 
 
$rQueryUsernameBepalen = mysql_query ( "SELECT id, username FROM users WHERE id = ".$iUser_id ) or die ( mysql_error() ); 
$aQueryUsernameBepalen = mysql_fetch_assoc ( $rQueryUsernameBepalen ); 
$sUsername = $aQueryUsernameBepalen['username']; 
 
/* #### INSTELBARE VARIABELEN #### */ 
 
$sIpadres = $_SERVER['REMOTE_ADDR']; 
$sHuidigePagina = $_SERVER['HTTP_REFERER']; 
$sTime = time()+180; // is 3 minuten 
 
 
 
$sQuerySelectOnline = "SELECT count(*) FROM online WHERE ip = '".$_SERVER['REMOTE_ADDR']."'";  
 
$rQuerySelectOnline = mysql_query ( $sQuerySelectOnline );  
 
$aQuerySelectOnline = mysql_result ( $rQuerySelectOnline,0 );  
 
// wanneer het ipadres er nog niet instaat 
 
if ( $aQuerySelectOnline == 0 )  
{  
    $rQueryInsert = mysql_query ( "INSERT 
                                         INTO online ( ip, locatie, tijd, user_id, username ) 
                                   VALUES ('" . mysql_real_escape_string($sIpadres) . "','" . mysql_real_escape_string($sHuidigePagina) . "','" . mysql_real_escape_string($sTime) . "', '" . mysql_real_escape_string($iUser_id) . "', '" . mysql_real_escape_string($sUsername) . "' ) " ) or die ( mysql_error() ); 
}  
else // het ipadres staat er dus wel in 
{  
    $rQueryUpdate = mysql_query ( "UPDATE online 
                                        SET locatie='" . mysql_real_escape_string($_SERVER['HTTP_REFERER']) . "', tijd = '" . mysql_real_escape_string($sTime) . "', user_id = '" . mysql_real_escape_string($iUser_id) . "', username = '" . mysql_real_escape_string($sUsername) . "' 
                                   WHERE ip = '" . mysql_real_escape_string($_SERVER['REMOTE_ADDR'])."'" ) or die ( mysql_error()); 
}   
 
 
$iHuidigeTijd = time();  
 
mysql_query("DELETE FROM online WHERE tijd < $iHuidigeTijd");  
 
$sQueryGastenOnline = "SELECT * FROM online WHERE user_id = 0";  
$rQueryGastenOnline = mysql_query ( $sQueryGastenOnline );  
$iAantalGastenOnline = mysql_num_rows ( $rQueryGastenOnline );  
 
$sQueryLedenOnline = "SELECT * FROM online WHERE user_id <> 0";  
$rQueryLedenOnline = mysql_query ( $sQueryLedenOnline );  
$iAantalLedenOnline = mysql_num_rows ( $rQueryLedenOnline );  
 
 
echo "Gasten: ".$iAantalGastenOnline."<br />";  
echo "Leden: ".$iAantalLedenOnline."<br />"; 
 
while ( $aQueryLedenOnline = mysql_fetch_assoc ( $rQueryLedenOnline ) ) 
{ 
 echo '<a href=#>'.$aQueryLedenOnline['username'].'</a>,'; 
} 
?>

Download code (.txt)

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