<"Y-m-d");
//房间保存路径,必须仿quot;/"结尾,可以丿quot;../"，等
$roomdir = "rooms/";
//编码方式
$charset = "UTF-8";
//客户端最大显示内容条数(建议不要太大)
$maxdisplay = 300;
//语言包
$lang = array(
//聊天室描述
"description"=>"聊天室.", 
//聊天室标题
"title"=>"Welcome...!",
//第一个到聊天室的欢迎
"firstone"=>"<span style='font-size:16px;color:blue;'>Welcome...!</span>", 
//当信息有禁止内容时显示
"ban" => array('法轮功', '共产党', '李洪志', 'fuck', '叼', '你妈的', '他妈的'),
//关键字
"keywords"=>"Welcome...!",
//发言提示
"hereyourwords" => "在这里发言!"
);

$touchs = 10;
$title = $lang["title"];
$earlier = 10;
$description = $lang["description"];
$origroom = $room;
$least = ($_GET["dis"])"dis"]):$leastnum;
if ($_GET["room"]) $room = $_GET["room"];
$room = checkfilename($room);
if (!$room) $room = $origroom;
$filename = $roomdir.$room.".dat.php";
$datafile = $roomdir.$room.".php";

if (!is_dir($roomdir)) {
 @mkdir($roomdir, 0777) or exit('no this dir.');
}
if(file_exists($filename)){
 if ((int)filemtime($filename) + 1800 < time()) {
 unlink($filename);
 }
}

if (!file_exists($filename)) @file_put_contents($filename,'<"\n".time()."|".$lang["firstone"]."\n");
if (!file_exists($datafile)) @file_put_contents($datafile,'<"\n");
$action = $_GET["action"];

if (!function_exists("file_get_contents"))
{
 function file_get_contents($path)
 {
 if (!file_exists($path)) return false;
 $fp=@fopen($path,"r");
 $all=fread($fp,filesize($path));
 fclose($fp);
 return $all;
 }
}

if (!function_exists("file_put_contents"))
{
 function file_put_contents($path,$val)
 {
 $fp=@fopen($path,"w");
 fputs($fp,$val);
 fclose($fp);
 return true;
 }
}

function checkfilename($file)
{
 if (!$file) return "";
 $file = trim($file);
 $a = substr($file,-1);
 $file = eregi_replace("^[.\\\/]*","",$file);
 $file = eregi_replace("[.\\\/]*$","",$file);
 $arr = array("../","./","/","\\","..\\",".\\");
 $file = str_replace($arr,"",$file);
 return $file;
}

function get_ip()
{
 global $_SERVER;
 if ($_SERVER)
 {
 if ( $_SERVER[HTTP_X_FORWARDED_FOR] )
 $realip = $_SERVER["HTTP_X_FORWARDED_FOR"];
 else if ( $_SERVER["HTTP_CLIENT_ip"] )
 $realip = $_SERVER["HTTP_CLIENT_ip"];
 else
 $realip = $_SERVER["REMOTE_ADDR"];
 }
 else
 {
 if ( getenv( 'HTTP_X_FORWARDED_FOR' ) )
 $realip = getenv( 'HTTP_X_FORWARDED_FOR' );
 else if ( getenv( 'HTTP_CLIENT_ip' ) ) 
 $realip = getenv( 'HTTP_CLIENT_ip' );
 else
 $realip = getenv( 'REMOTE_ADDR' );
 }
 return $realip;
}

function array2json($arr)
{
 if (function_exists('json_encode')) return json_encode($arr);
 $keys = array_keys($arr);
 $isarr = true;
 $json = "";
 for($i=0;$i<count($keys);$i++)
 {
 if ($keys[$i] !== $i)
 {
 $isarr = false;
 break;
 }
 }
 $json = $space;
 $json.= ($isarr)"[":"{";
 for($i=0;$i<count($keys);$i++)
 {
 if ($i!=0) $json.= ",";
 $item = $arr[$keys[$i]];
 $json.=($isarr)"":$keys[$i].':';
 if (is_array($item))
 $json.=array2json($item);
 else if (is_string($item))
 $json.='"'.str_replace(array("\r","\n"),"",$item).'"';
 else $json.=$item;
 }
 $json.= ($isarr)"]":"}";
 return $json;
}

if ($action == "write")
{
 $color = $_GET['color'];
 if (!eregi("[0-9a-fA-F]{6}",$color) || $color == "#000000") $color = "";
 $color = "#".$color;
 $size = intval($_GET["size"]);
 $arr = @file("php://input");
 $name = str_replace(array("\n","\r"),"",$arr[0]);
 $ip = get_ip();
 if ($disonline)
 {
 $onlines = @file_get_contents($datafile);
 $s1 = "|{$name}|{$ip}|";
 if (strpos($onlines,$s1) === false)
 {
 if (strpos($onlines,"|".$name."|") === false)
 {
 $fp = @fopen($datafile,"a+");
 if ($fp)
 {
 if (@flock($fp, LOCK_EX))
 {
 @fputs($fp,time()."|".time().$s1."\n");
 @flock($fp, LOCK_UN);
 }
 @fclose($fp);
 }
 }
 else
 {
 echo "NAME";
 die();
 }
 }
 }

 $s = "";
 $style = "";
 $font = $_GET["font"];
 if ($font == "songti") $font = "宋体";
 else if ($font == "heiti") $font = "黑体";
 else if ($font == "kaiti") $font = "楷体_GB2312";
 else $font = "";
 $style .= (!$font)"":"font-family:".$font.";";
 $style .= (!$_GET["bold"])"":"font-weight:bold;";
 $style .= (!$color || $color == "#")"":"color:{$color};";
 $style .= (!$size || $size == "16")"":"font-size:{$size}px;";
 $t = time();
 for($i = 1;$i<count($arr);$i++)
 {
 $content = $arr[$i];
 $content = str_replace(array("\n","\r"),"",$content);
 if ($content == "") continue;
 $content = preg_replace("!<img\s+(.*", "[img $1/]", $content);
 $content = str_replace(array('<', '>'), array('&lt;', '&gt;'), $content);
 $content = preg_replace("!\[img (.*", "<img $1/>", $content);
 $content = str_replace($lang['ban'], '', $content);
 $content = ($style)"<span style='{$style}'>{$content}</span>":$content;
 $ubbarray = array('[:ani_wink:]',
 '[:big_eyes:]',
 '[:cool:]',
 '[:cry:]',
 '[:eye_roll:]',
 '[:grin:]',
 '[:happy:]',
 '[:not_impressed:]',
 '[:smile:]',
 '[:smile_eyes:]',
 '[:stickout:]',
 '[:straight:]',
 '[:surprised:]',
 '[:unhappy:]',
 '[:wink:]');
 $content = str_replace($ubbarray, 
 array('<img src="/UploadFiles/2021-04-02/ani_wink.gif">php+ajax实时聊天室

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。