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| <? function sql_query($query) { mysql_pconnect("localhost","admin","pass"); return @mysql_db_query("Chat",$query); } function url($value) { $value = ereg_replace("((www.)([a-zA-Z0-9@:%_.~#-\?&]+[a-zA-Z0-9@:%_~#\?&/]))", "http://\\1", $value); $value = ereg_replace("((ftp://|http://|https://){2})([a-zA-Z0-9@:%_.~#-\?&]+[a-zA-Z0-9@:%_~#\?&/])", "http://\\3", $value); $value = ereg_replace("(((ftp://|http://|https://){1})[a-zA-Z0-9@:%_.~#-\?&]+[a-zA-Z0-9@:%_~#\?&/])", "<A HREF=\"\\1\" TARGET=\"_blank\">\\1</A>", $value); $value = ereg_replace("([_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.)+[a-z]{2,3})","<A HREF=\"mailto:\\1\">\\1</A>", $value); return $value; } if($action == "output") { $now = gmdate("D, d M Y H:i:s")." GMT"; Header("Date: $now"); Header("Expires: $now"); Header("Last-Modified: $now"); Header("Pragma: no-cache"); Header("Cache-Control: no-store, no-cache, max-age=0, must-revalidate"); Header("Content-Type: text/html"); $query = "INSERT INTO chat_messages (nick, message, stamp) VALUES ('Chatbot', '$nick komt chat kamer binnen', '$stamp')"; $result = sql_query($query); $query = "SELECT * FROM chat_messages ORDER BY id"; $result = sql_query($query); $number_messages = mysql_num_rows($result); ?> <HTML> <HEAD> <TITLE>Output</TITLE> </HEAD> <BODY> <SCRIPT LANGUAGE="JavaScript1.2"> <!-- var speed=1000 var currentpos=0,alt=0,curpos1=0,curpos2=-1 startit() function scrollwindow(){ if (document.all) temp=document.body.scrollTop else temp=window.pageYOffset if (alt==0) curpos1=temp else curpos2=temp if (curpos1!=curpos2){ if (document.all) currentpos=document.body.scrollTop+speed else currentpos=window.pageYOffset+speed window.scroll(0,currentpos) } else{ currentpos=0 window.scroll(0,currentpos) } } function startit(){ setInterval("scrollwindow()",10) } --> </SCRIPT> <? while($record = mysql_fetch_object($result)) { $message = url($record->message); ?> <<B><? echo $record->nick; ?></B>> <? echo $message; ?><BR> <? } $i = 0; $n = 0; while(TRUE) { $n++; if($n > 300) { $query = "INSERT INTO chat_messages (nick, message, stamp) VALUES ('Chatbox', '$nick verlaat chat kamer', '$stamp')"; $result = sql_query($query); ?> <<B>Chatbot</B>> Er is te lang geen bericht geplaatst, <A HREF="#" onclick="location.reload()">herlaad</A> a.u.b.<BR> </BODY> </HTML> <? exit; } $i++; if($i > 30) { ?><!-- --><? $i = 0; } sleep(1); flush(); $query = "SELECT * FROM chat_messages ORDER BY id LIMIT $number_messages, 500"; $result = sql_query($query); $number = mysql_num_rows($result); if($number > 0) { while($record = mysql_fetch_object($result)) { $message = url($record->message); ?> <<B><? echo $record->nick; ?></B>> <? echo $message; ?><BR> <? } $number_messages = $number_messages + $number; $i = 0; $n = 0; } } } elseif($action == "input") { if(!empty($message) && $new == 1) { $query = "SELECT * FROM chat_messages"; $result = sql_query($query); $number = mysql_num_rows($result); if($number > 25) { $query = "SELECT * FROM chat_messages ORDER BY id DESC LIMIT 25, 1"; $result = sql_query($query); $record = mysql_fetch_object($result); $temp_id = $record->id; $query = "DELETE FROM chat_messages WHERE id < $temp_id"; $result = sql_query($query); } $query = "INSERT INTO chat_messages (nick, message, stamp) VALUES ('$nick', '$message', '$stamp')"; $result = sql_query($query); } ?> <HTML> <HEAD> <TITLE>Chat</TITLE> </HEAD> <BODY TOPMARGIN="2" LEFTMARGIN="2" MARGINWIDTH="2" MARGINHEIGHT="2"> <FONT FONT="arial" SIZE="2"> <FORM NAME="input" METHOD="post" ACTION="chat.php?action=input&nick=<? echo $nick; ?>" TARGET="input"> <INPUT TYPE="hidden" NAME="new" VALUE="1"> Bericht: <INPUT TYPE="text" NAME="message" SIZE="50" MAXLENGTH="250"> <INPUT TYPE="submit" VALUE="Verstuur"> </FORM> </FONT> <SCRIPT LANGUAGE=JavaScript> <!-- setTimeout("input.message.focus()") //--> </SCRIPT> </BODY> </HTML> <? } else { ?> <FONT FONT="arial" SIZE="2"><P ALIGN="justify"> <ILAYER ID="output" VISIBILITY="hide" WIDTH="100%" HEIGHT="300"> </ILAYER> <NOLAYER> <IFRAME NAME="output" SRC="chat.php?action=output&nick=<? echo $nick; ?>" BORDER="0" VSPACE="0" HSPACE="0" WIDTH="100%" HEIGHT="300" SCROLLING="no" FRAMEBORDER="0" MARGINWIDTH="0" MARGINHEIGHT="0"></A></IFRAME></NOLAYER><LAYER SRC="site:Frontpage&width=100%&height=300" VISIBILITY="hide" onLoad="moveToAbsolute(advertiser.pageX,advertiser.pageY);clip.height=300;clip.width=100%;visibility='show';"> </LAYER> <ILAYER ID="input" VISIBILITY="hide" WIDTH="500" HEIGHT="30"> </ILAYER> <NOLAYER> <IFRAME NAME="input" SRC="chat.php?action=input&nick=<? echo $nick; ?>" BORDER="0" VSPACE="0" HSPACE="0" WIDTH="500" HEIGHT="30" SCROLLING="no" FRAMEBORDER="0" MARGINWIDTH="0" MARGINHEIGHT="0"></A></IFRAME></NOLAYER><LAYER SRC="site:Frontpage&width=500&height=30" VISIBILITY="hide" onLoad="moveToAbsolute(advertiser.pageX,advertiser.pageY);clip.height=30;clip.width=500;visibility='show';"> </LAYER> </P></FONT> <? } ?> |
kan iemand mij uitleggen waarom hij alle geposte berichten onthoud en je die als gebruiker allemaal te zien krijgt als je de chatbox "binnen komt" en niet zoals aangegeven de berichten die er teveel zijn (meer als 25) verwijderd
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