functions.php

1、上传所有文件至服务器目录。 2、使用 MYSQL 管理工具

  if ($escape==1) {
    $template=addslashes($template);
    $template=str_replace("\\'","'",$template);
  }
  if ($gethtmlcomments and $addtemplatename) {
    return "<!-- BEGIN TEMPLATE: $templatename -->\n$template\n<!-- END TEMPLATE: $templatename -->";
  }

  return $template;
}

// ###################### Start verifyid #######################
function verifyid($idname, &$id, $alert=1, $selall=0) {
  // verifies an id number and returns a correct one if it can be found
  // returns 0 if none found
  global $DB_site,$webmasteremail,$session,$threadcache,$forumcache;

  $id=intval($id);

  if (!isset($id) or $id==0 or $id=="") {
    if ($alert) {  // show alert?
      eval("standarderror(\"".gettemplate('error_noid')."\");");
      exit;
    }
  } else {
    if ($selall==1) {
      $selid = '*';
    } else {
      $selid = $idname.'id';
    }
    if (!$check=$DB_site->query_first("SELECT $selid FROM $idname WHERE $idname"."id=$id")) {
      if ($alert) { // show alert?
        eval("standarderror(\"".gettemplate('error_invalidid')."\");");
        exit;
      }
    } else {
      if ($selall!=1) {
        return $check["$selid"];
      } else {
        return $check;
      } //if ($selall!=1) {
    } //if ($idname=="thread" and isset($threadcache["$id"])) {
  } //if (!isset($id) or $id==0 or $id=="") {

}

// ###################### Start getpermissions #######################
function getpermissions($forumid=0,$userid=-1,$usergroupid=-1,$parentlist="") {
  // gets permissions, depending on given userid and forumid
  global $DB_site, $usercache, $bbuserinfo, $enableaccess, $table;

  static $permscache, $usergroupcache;

  $userid=intval($userid);
  if ($userid==-1) {
    $userid=$bbuserinfo['userid'];
    $usergroupid=$bbuserinfo['usergroupid'];
  }

  if ($usergroupid==-1 or $usergroupid==0) {
    if ($userid==0) {
      $usergroupid=1;
    } else {
      if (isset($usercache["$userid"])) {
        $usergroupid=$usercache["$userid"]['usergroupid'];
      } else {
        $getuser=$DB_site->query_first("SELECT usergroupid FROM ".$table["user"]." WHERE userid=$userid");
        $usergroupid=$getuser['usergroupid'];
      }
    }
  }

  if (!isset($usergroupcache["$usergroupid"])) {
    $usergroupcache["$usergroupid"] = $DB_site->query_first("SELECT * FROM ".$table["usergroup"]." WHERE usergroupid=$usergroupid");
    return $usergroupcache["$usergroupid"];
  } else {
    return $usergroupcache["$usergroupid"];
  }

}

// ###################### Start countchar #######################
function countchar($string,$char) {
  //counts number of times $char occus in $string

  $charpos=strstr($string,$char);
  if ($charpos!="") {
    return countchar(substr($charpos,strlen($char)),$char)+1;
  } else {
    return 0;
  }
}

// ###################### Start gzipoutput #######################
function gzipoutput($text,$level=1){
  global $HTTP_ACCEPT_ENCODING,$nozip;

  $returntext=$text;

  if (function_exists("crc32") and function_exists("gzcompress") and !$nozip){
    if (strpos(" ".$HTTP_ACCEPT_ENCODING,"x-gzip")) {
      $encoding = "x-gzip";
    }
    if (strpos(" ".$HTTP_ACCEPT_ENCODING,"gzip")) {
      $encoding = "gzip";
    }

    if ($encoding) {
      header("Content-Encoding: $encoding");

      $size = strlen($text);
      $crc = crc32($text);

      $returntext = "\x1f\x8b\x08\x00\x00\x00\x00\x00";
      $returntext .= substr(gzcompress($text,$level),0,-4);
      $returntext .= pack("V",$crc);
      $returntext .= pack("V",$size);
    }
  }
  return $returntext;
}

// ###################### Start vbsetcookie #######################
function vbsetcookie($name,$value="",$permanent=1) {
  global $cookiepath,$cookiedomain, $SERVER_PORT;

  if ($permanent) {
    $expire=time() + 60*60*24*365;
  } else {
    $expire = 0;
  }

  if ($SERVER_PORT == "443") {
    // we're using SSL
    $secure = 1;
  } else {
    $secure = 0;
  }

  if (defined('USE_COOKIE_WORKAROUND')) {
    // It's been reported that there's a bug in PHP 4.2.0/4.2.1 with Apache 2 causing setcookie() to not work correctly.
    // This is the workaround. If you need to use this code, please add:
    //      define('USE_COOKIE_WORKAROUND', 1);
    // to your config.php.

    if (!$value) {
      // need to do this so IE deletes the cookie correctly
      $expire = time() - 31536001;
      $value = 'deleted';
    }
    $cookieheader = "Set-Cookie: $name=".urlencode($value);
    if ($expire) {
    	$cookieheader .= '; expires='.gmdate('D, d-M-Y H:i:s', $expire).' GMT';
    }
    if ($cookiepath) {
      $cookieheader .= "; path=$cookiepath";
    }
    if ($cookiedomain) {
      $cookieheader .= "; domain=$cookiedomain";
    }
    if ($secure) {
      $cookieheader .= '; secure';
    }
    header($cookieheader, false); // force multiple headers of same type
  } else {
    setcookie($name, $value, $expire, $cookiepath, $cookiedomain, $secure);
  }

}

// ###################### Start show_nopermission #######################
function show_nopermission($noheadfoot=0) {
  global $webtitle,$logincode,$url,$scriptpath,$bbuserinfo,$session,$headinclude;

  // generate 'logged in as:' box or username and pwd box
  if (!$logincode) {
    $logincode=makelogincode();
  }

  if ($bbuserinfo[userid]==0) {
    if ($noheadfoot==0) {
      eval("standarderror(\"".gettemplate("error_nopermission_loggedout")."\");");
    } else {
      eval("dooutput(\"".gettemplate("error_nopermission_loggedout_nohead")."\");");
    }
  } else {
    if ($noheadfoot==0) {
      eval("standarderror(\"".gettemplate("error_nopermission_loggedin")."\");");
    } else {
      eval("dooutput(\"".gettemplate("error_nopermission_loggedin_nohead")."\");");
    }
  }
  exit;
}

// ###################### Start vbdate #######################
function vbdate($format,$timestamp) {
  global $bbuserinfo,$timeoffset;

  return date($format,$timestamp+($bbuserinfo['timezoneoffset']-$timeoffset)*3600);

}

// ###################### Start getextension #######################
function getextension($filename) {
  return substr(strrchr($filename,"."),1);
}

// ###################### Start make login code #######################
function makelogincode() {
  global $DB_site,$bbuserinfo,$session;

  if ($bbuserinfo['userid']==0) {
    eval("\$logincode = \"".gettemplate("username_loggedout")."\";");
  } else {
    eval("\$logincode = \"".gettemplate("username_loggedin")."\";");
  }

  return $logincode;
}

// ###################### Start un htmlspecialchars #######################
function unhtmlspecialchars($chars) {
  if (floor(phpversion())<4) {
    //php3
    $temp=addslashes($chars);
    $temp=preg_replace("/(&#)([0-9]*)(;)/siU","\".chr(intval('\\2')).\"",$temp);
    eval ("\$temp=\"$temp\";");
    $chars=stripslashes($temp);
  } else {
    //php4
    $chars=preg_replace("/(&#)([0-9]*)(;)/esiU","chr(intval('\\2'))",$chars);
  }

  $chars=str_replace("&gt;",">",$chars);
  $chars=str_replace("&lt;","<",$chars);
  $chars=str_replace("&quot;","\"",$chars);
  $chars=str_replace("&amp;","&",$chars);
  return $chars;
}

// ###################### Start replacesession ###############
function replacesession($url) {
  // replace the sessionhash in $url with the current one
  global $session;

  $url = addslashes($url);
  $url=ereg_replace("s=[a-z0-9]{32}&","",$url);
  $url=ereg_replace("\\?s=[a-z0-9]{32}","",$url);
  $url=str_replace("s=", "", $url);

  if (strpos($url,"?")>0) {
    $url .= "&s=$session[dbsessionhash]";
  } else {
    $url .= "?s=$session[dbsessionhash]";
  }


  return $url;
}

// ########### add the mysql_escape_string() function if it doesn't exist ######
if (!function_exists("mysql_escape_string"))  {
  function mysql_escape_string($string) {
    $string = str_replace("\\", "\\\\", $string);
    $string = str_replace("\0", '\0', $string);
    $string = str_replace("\n", '\n', $string);
    $string = str_replace("\r", '\r', $string);
    $string = str_replace("'", '\\\'', $string);
    $string = str_replace("\"", '\"', $string);
    $string = str_replace("\032", "\\Z", $string);

    return $string;
  }
}

// ###################### Start get_bbthreadcookie #######################
$bbcookiecache = array();
function get_bbarraycookie($cookiename, $id) {
	// gets the value for a array stored in a cookie
	global $HTTP_COOKIE_VARS;
	global $bbcookiecache;

	if (!isset($bbcookiecache[$cookiename])) {
		$bbcookiecache[$cookiename] = @unserialize($HTTP_COOKIE_VARS["bb$cookiename"]);
	}
	return intval($bbcookiecache[$cookiename][$id]);
}

// ###################### Start set_bbthreadcookie #######################
function set_bbarraycookie($cookiename, $id, $value, $permanent = 0) {
	// sets the value for a array and sets the cookie
	global $HTTP_COOKIE_VARS;
	global $bbcookiecache;

	if (!isset($bbcookiecache[$cookiename])) {
		$bbcookiecache[$cookiename] = @unserialize($HTTP_COOKIE_VARS["bb$cookiename"]);
	}

	$bbcookiecache[$cookiename][$id] = $value;

	vbsetcookie("bb$cookiename", serialize($bbcookiecache[$cookiename]), $permanent);

}


// ###################### Start doshutdown #######################
$shutdownqueries=array();
function doshutdown() {
  global $shutdownqueries,$DB_site,$table;

  if (is_array($shutdownqueries)) {
    while (list($devnul,$query)=each($shutdownqueries)) {
      $DB_site->query($query);
    }
  }

  global $cookietimeout,$bypass,$bbuserinfo,$session;

  if ($bypass and $bbuserinfo['userid']) {
    // if the user has sent bypass=1 through the url (to prevent updating of last activity/visit time), reset the session
    // so the below function doesn't do update their info anyway
    $userinfo=$DB_site->query_first("SELECT lastactivity FROM ".$table["user"]." WHERE userid='$bbuserinfo[userid]'");
    $DB_site->query("UPDATE ".$table["session"]." SET lastactivity='$userinfo[lastactivity]' WHERE sessionhash='".addslashes($session['dbsessionhash'])."'");
  }

  // update user table from session table in bulk
  mt_srand ((double) microtime() * 1000000);
  if (mt_rand(1,100)=='50') {
    $oldsessions=$DB_site->query("SELECT userid,lastactivity FROM ".$table["session"]." WHERE lastactivity<'".(time()-$cookietimeout)."'");
    while ($oldsession=$DB_site->fetch_array($oldsessions)) {
      $DB_site->query("UPDATE ".$table["user"]." SET lastactivity=$oldsession[lastactivity] WHERE userid=$oldsession[userid] AND lastactivity<$oldsession[lastactivity]");
    }
	 $DB_site->query("DELETE FROM ".$table["session"]." WHERE lastactivity<".(time()-$cookietimeout));

  }

  // bye bye!
}

if (!$noshutdownfunc) {
  register_shutdown_function("doshutdown");
}

?>