PHP with AJAX viewer.

cjbeck71081 · September 21, 2006

You guys were an awesome help before regarding some of the problems i had passing variables to HTML using PHP. I have since then learned quite a bit and have moved onto bigger things.

The program i am workign with now is called MAPSTUDIO. It is written primarily in PHP, using some C#, and using an AJAX viewer. My problem is this

The program comes with one page, showing one map. I would like to create an HTML link to another map, but maintain the same x & y coordinate system, and zoom. I figure editing the code to include a passed value is the best way to do it, but i also wouldnt mind writing some kind of code, or cookie?.

The program starts with a file called CBviewer.php which holds this code:

[code=php:0]
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">

<?php
include 'appconstants.php';

// Initialize a PHP session and register a variable to hold the
// Server session id, then initialize the Web Extensions,
// and connect to the Server, and create a session.

session_start();
session_register('mgSessionId');

MgInitializeWebTier ($configFilePath);

$userInfo = new MgUserInformation("Anonymous", "");
$site = new MgSite();

$site->Open($userInfo);

$HTTP_SESSION_VARS['mgSessionId'] = $site->CreateSession();
$mapDefinition = "Library://BI/BI Map.MapDefinition";
$webLayout = "Library://BI/BIweb.WebLayout";

?>
[/code]

[code=php:0]
<html>

<head>
<title>Block Island Map</title>
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
<meta http-equiv="content-script-type" content="text/javascript" />
<meta http-equiv="content-style-type" content="text/css" />
<link href="styles/globalstyles.css" rel="stylesheet" type="text/css">
</head>

<body>

<iframe id="viewerFrame" width="800" height="500" frameborder="0"

scrolling="no"
src="biborder.php?AppName=AJAX" name="TitleFrame" scrolling="NO" noresize>
src="../mapviewerphp/ajaxviewer.php?SESSION=<?= $HTTP_SESSION_VARS['mgSessionId'] ?>&WEBLAYOUT=<?= $webLayout ?>"

</iframe>

</body>

</html>

[/code]

The two frame files that it is referring to are the Title Frame which is HTML with a couple of IMages that make up the Page Header. The second frame is the AJAX viewer. It makes a call for the file called Ajaxviewer.php, which has little code that only calls the Mainframe.php file code found below:

A quick scan might find where the variable of the viewers current view is hidden, and how i might be able to pass that to an HTML Button, and then down to a new viewer, with a different set of features but the same view......

Sorry its so long, i appreciate any help

Thank You
Chris

[code=php:0]
<?php

//
// Copyright (C) 2004-2006 Autodesk, Inc.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of version 2.1 of the GNU Lesser
// General Public License as published by the Free Software Foundation.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
//

include 'common.php';
include 'constants.php';
include 'product.php';

$webLayoutDefinition = '';
$locale = '';
$sessionId = '';
$orgSessionId = '';
$username = '';
$password = '';
$curFlyout = 0;
$cmds = array();

function BuildViewer($forDwf = true)
{
global $debug, $webLayoutDefinition, $cmds, $locale;
global $sessionId, $username, $password, $orgSessionId;
global $product;

SetLocalizedFilesPath(GetLocalizationPath());

try
{
// Initialize web tier with the site configuration file.
InitializeWebTier();

//fetch the parameters for this request
//
GetRequestParameters();

//Open a connection with the server
//
$anonymousLogin = false;
$createSession = true;

$cred = new MgUserInformation();
if($sessionId != '')
{
$cred->SetMgSessionId($sessionId);
$createSession = false;
}
else if($username != '')
{
$cred->SetMgUsernamePassword($username, $password);
}
else
{
if($forDwf)
{
$anonymousLogin = true;
$cred->SetMgUsernamePassword("Anonymous", "");
}
else
{
//HTML viewer enforce login here. DWF viewer enforces loggin during the inital GETMAP request
requestAuthentication();
return;
}
}

$site = new MgSiteConnection();
$cred->SetLocale($locale);
$site->Open($cred);

if($createSession)
{
$site1 = new MgSite();
$site1->Open($cred);
$sessionId = $site1->CreateSession();
if($forDwf == false)
$orgSessionId = $sessionId;
}

//Get a MgWebLayout object initialized with the specified web layout definition
//
$webLayout = null;
try
{
$resourceSrvc = $site->CreateService(MgServiceType::ResourceService);
$webLayoutId = new MgResourceIdentifier($webLayoutDefinition);
$webLayout = new MgWebLayout($resourceSrvc, $webLayoutId);
}
catch(MgUnauthorizedAccessException $e)
{
header('WWW-Authenticate: Basic realm="' . $product . '"');
header('HTTP/1.1 401 Unauthorized');
header("Status: 401 " . GetLocalizedString("ACCESSDENIED", $locale));
echo GetLocalizedString("NEEDLOGIN", $locale);
return;
}
catch(MgException $e)
{
$shortError = $e->GetMessage();
$longError = $e->GetDetails();
header("HTTP/1.1 559 ");
header("Status: 559 {$shortError}");
echo "<html>\n<body>\n";
echo "<h2>{$shortError}</h2>\n{$longError}";
echo "</body>\n</html>\n";
return;
}

//calculate the size of the variable elements of the viewer
//
$toolBar = $webLayout->GetToolBar();
$statusBar = $webLayout->GetStatusBar();
$taskPane = $webLayout->GetTaskPane();
$infoPane = $webLayout->GetInformationPane();
$taskBar = $taskPane->GetTaskBar();
$mapDef = $webLayout->GetMapDefinition();

$showTaskPane = $taskPane->IsVisible();
$showTaskBar = $taskBar->IsVisible();
$showStatusbar = $statusBar->IsVisible();
$showToolbar = $toolBar->IsVisible();

$taskPaneWidth = $taskPane->GetWidth();
$toolbarHeight = 30;
$statusbarHeight = 26;

$taskWidth = $showTaskPane? $taskPaneWidth: 0;
$toolbarHeight = $showToolbar? $toolbarHeight: 0;
$statusbarHeight = $showStatusbar? $statusbarHeight: 0;
$taskPaneUrl = $taskPane->GetInitialTaskUrl();
$vpath = GetSurroundVirtualPath();
$defHome = false;
if($taskPaneUrl == "") {
$taskPaneUrl = "gettingstarted.php";
$defHome = true;
}
$mapDefinitionUrl = urlencode($mapDef);
$title = $webLayout->GetTitle();

$showLegend = $infoPane->IsLegendBandVisible();
$showProperties = $infoPane->IsPropertiesBandVisible();

if($showLegend || $showProperties)
{
if($infoPane->IsVisible())
{
$infoWidth = $infoPane->GetWidth();
if($infoWidth < 5)
$infoWidth = 5; //ensure visible
}
else
{
$showProperties = $showLegend = false;
$infoWidth = 0;
}
}
else
$infoWidth = 0;

//calculate the url of the inner pages
//
$srcToolbar = $showToolbar? ('src="' . $vpath . 'toolbar.php?LOCALE=' . $locale . '"'): '';
$srcStatusbar = $showStatusbar? ('src="' . $vpath . 'statusbar.php?LOCALE=' . $locale . '"') : "";
$srcTaskFrame = $showTaskPane? ('src="' . $vpath . 'taskframe.php?TASK=' . $taskPaneUrl . '&WEBLAYOUT=' . urlencode($webLayoutDefinition) . '&DWF=' . ($forDwf? "1": "0") . '&SESSION=' . ($orgSessionId != ""? $orgSessionId: "") . '&LOCALE=' . $locale . '"') : '';
$srcTaskBar = 'src="' . $vpath . 'taskbar.php?LOCALE=' . $locale . '"';

//view center
//
$ptCenter = $webLayout->GetCenter();
if($ptCenter == null)
$center = "null";
else
{
$coord = $ptCenter->GetCoordinate();
$center = sprintf("new Point(%f, %f)", $coord->GetX(), $coord->GetY());
}

//Process commands and declare command objects
//
$commands = $webLayout->GetCommands();
$cmdObjects = "";
$cmdObject = "";
$navCmdIndex = 0;
$searchCmdIndex = 0;
$measureCmdIndex = 0;
$printCmdIndex = 0;
$scriptCmdIndex = 0;
$userCode = "";
$userCodeCalls = "\nswitch(funcIndex)\n{\n";
$selAwareCmdCount = 0;
$selAwareCmds = "";

for($i = 0; $i < $commands->GetCount(); $i++)
{
$cmd = $commands->GetItem($i);
if(!$cmd->IsUsed())
continue;
$tgtViewer = $cmd->GetTargetViewerType();
if(($tgtViewer == MgWebTargetViewerType::Dwf) != ($forDwf == true) && ($tgtViewer != MgWebTargetViewerType::All))
continue;
$name = $cmd->GetName();
$action = $cmd->GetAction();
if($action == MgWebActions::Search)
{
$cols = "var resCols" . $searchCmdIndex . " = new Array();\n";
if($cmd->GetResultColumnCount() > 0)
{
for($j = 0; $j < $cmd->GetResultColumnCount(); $j++)
{
$col = sprintf("resCols%d[%d] = new ResultColumn(\"%s\", \"%s\");\n", $searchCmdIndex, $j, StrEscape($cmd->GetColumnDisplayNameAt($j)), StrEscape($cmd->GetColumnPropertyNameAt($j)));
$cols = $cols . $col;
}
}
$cmdObjects = $cmdObjects . $cols;

// declare a new search command object
$cmdObject = sprintf("commands[%d] = new SearchCommand(\"%s\", \"%s\", %d, \"%s\", \"%s\", \"%s\", \"%s\", \"%s\", \"%s\", resCols%d, \"%s\", %d, %d, \"%s\");\n",
$i, StrEscape($name),
StrEscape($cmd->GetLabel()),
$cmd->GetAction(),
$cmd->GetIconUrl(),
$cmd->GetDisabledIconUrl(),
StrEscape($cmd->GetTooltip()),
StrEscape($cmd->GetDescription()),
$cmd->GetLayer(),
StrEscape($cmd->GetPrompt()),
$searchCmdIndex,
StrEscape($cmd->GetFilter()),
$cmd->GetMatchLimit(),
$cmd->GetTarget(),
$cmd->GetTargetName());

$searchCmdIndex++;
}
else if($action == MgWebActions::InvokeUrl)
{
// create the parameter objects
$params = "var navParams" . $navCmdIndex . " = new Array();\n";
$layers = "var layers" . $navCmdIndex . " = new Array();\n";
if($cmd->GetParameterCount() > 0)
{
for($j = 0; $j < $cmd->GetParameterCount(); $j++)
{
$param = sprintf("navParams%d[%d] = new NavParam(\"%s\", \"%s\");\n", $navCmdIndex, $j, $cmd->GetParameterNameAt($j), $cmd->GetParameterValueAt($j));
$params = $params . $param;
}
for($j = 0; $j < $cmd->GetLayerCount(); $j++)
{
$layer = sprintf("layers%d[%d] = \"%s\";\n", $navCmdIndex, $j, $cmd->GetLayerNameAt($j));
$layers = $layers . $layer;
}
}
$cmdObjects = $cmdObjects . $params . $layers;
if($cmd->DisabledIfSelectionEmpty() || $cmd->GetLayerCount() > 0)
{
$selAwareCmds = $selAwareCmds . sprintf("selectionAwareCmds[%d] = %d;\n", $selAwareCmdCount, $i);
$selAwareCmdCount ++;
}

// declare a new invokeurl command object
$cmdObject = sprintf("commands[%d] = new InvokeUrlCommand(\"%s\", %d, \"%s\", \"%s\", \"%s\", \"%s\", \"%s\", navParams%d, %s, layers%d, %d, \"%s\");\n",
$i,
StrEscape($name),
$cmd->GetAction(),
$cmd->GetIconUrl(),
$cmd->GetDisabledIconUrl(),
StrEscape($cmd->GetTooltip()),
StrEscape($cmd->GetDescription()),
$cmd->GetUrl(),
$navCmdIndex,
$cmd->DisabledIfSelectionEmpty()?"true":"false",
$navCmdIndex,
$cmd->GetTarget(),
$cmd->GetTargetName());

$navCmdIndex++;
}
else if($action == MgWebActions::Buffer || $action == MgWebActions::SelectWithin ||
$action == MgWebActions::Measure || $action == MgWebActions::ViewOptions || $action == MgWebActions::GetPrintablePage)
{
if($action == MgWebActions::Measure)
{
if($measureCmdIndex != 0)
throw new Exception(GetLocalizedString("ALREADYINMEASURE", $locale));
$measureCmdIndex = $i;
}
else if($action == MgWebActions::SelectWithin)
{
$selAwareCmds = $selAwareCmds . sprintf("selectionAwareCmds[%d] = %d;\n", $selAwareCmdCount, $i);
$selAwareCmdCount ++;
}

// declare a new ui target command object
$cmdObject = sprintf("commands[%d] = new UiTargetCommand(\"%s\", %d, \"%s\", \"%s\", \"%s\", \"%s\", %d, \"%s\");\n",
$i,
StrEscape($name),
$cmd->GetAction(),
$cmd->GetIconUrl(),
$cmd->GetDisabledIconUrl(),
StrEscape($cmd->GetTooltip()),
StrEscape($cmd->GetDescription()),
$cmd->GetTarget(),
$cmd->GetTargetName());
}
else if($action == MgWebActions::Help)
{
// declare a new help command object
$cmdObject = sprintf("commands[%d] = new HelpCommand(\"%s\", %d, \"%s\", \"%s\", \"%s\", \"%s\", \"%s\", %d, \"%s\");\n",
$i,
StrEscape($name),
$cmd->GetAction(),
$cmd->GetIconUrl(),
$cmd->GetDisabledIconUrl(),
StrEscape($cmd->GetTooltip()),
StrEscape($cmd->GetDescription()),
$cmd->GetUrl(),
$cmd->GetTarget(),
$cmd->GetTargetName());
}
else if($action == MgWebActions::PrintMap)
{
// declare the print layouts
$layouts = "var layouts" . $printCmdIndex . " = new Array();\n";
for($j = 0; $j < $cmd->GetPrintLayoutCount(); $j++)
{
$layout = "";
$layout = sprintf("layouts%d[%d] = \"%s\";\n", $printCmdIndex, $j, $cmd->GetPrintLayoutAt($j));
$layouts = $layouts . $layout;
}
$cmdObjects = $cmdObjects . $layouts;

// declare a new print command object
$cmdObject = sprintf("commands[%d] = new PrintCommand(\"%s\", %d, \"%s\", \"%s\", \"%s\", \"%s\", layouts%d);\n",
$i,
StrEscape($name),
$cmd->GetAction(),
$cmd->GetIconUrl(),
$cmd->GetDisabledIconUrl(),
StrEscape($cmd->GetTooltip()),
StrEscape($cmd->GetDescription()),
$printCmdIndex);

$printCmdIndex++;
}
else if($action == MgWebActions::InvokeScript)
{
// declare a new basic command object
$cmdObject = sprintf("commands[%d] = new InvokeScriptCommand(\"%s\", %d, \"%s\", \"%s\", \"%s\", \"%s\", %d);\n",
$i,
StrEscape($name),
$cmd->GetAction(),
$cmd->GetIconUrl(),
$cmd->GetDisabledIconUrl(),
StrEscape($cmd->GetTooltip()),
StrEscape($cmd->GetDescription()),
$scriptCmdIndex);

$userCode = $userCode . "\nfunction UserFunc" . $scriptCmdIndex . "()\n{\n". $cmd->GetCode() . "\n}\n";
$userCodeCalls = $userCodeCalls . sprintf("case %d: UserFunc%d(); break;\n", $scriptCmdIndex, $scriptCmdIndex);

$scriptCmdIndex++;
}
else
{
// declare a new basic command object
$cmdObject = sprintf("commands[%d] = new BasicCommand(\"%s\", %d, \"%s\", \"%s\", \"%s\", \"%s\");\n",
$i,
$name,
$cmd->GetAction(),
$cmd->GetIconUrl(),
$cmd->GetDisabledIconUrl(),
StrEscape($cmd->GetTooltip()),
StrEscape($cmd->GetDescription()));
}
$cmdObjects = $cmdObjects . $cmdObject;
$cmds[$name] = $i;
}
$userCodeCalls = $userCodeCalls . "\n}\n";

//Declare toolbar items
//
$toolbarDef = DeclareUiItems($toolBar->GetWidgets(), "toolbarItems");

//Declare task items
$taskListDef = DeclareUiItems($taskBar->GetTaskList(), "taskItems");

//Declare context menu items
$ctxMenu = $webLayout->GetContextMenu();
if($ctxMenu->IsVisible())
$ctxMenuDef = DeclareUiItems($ctxMenu, "ctxMenuItems");
else
$ctxMenuDef = "";

//task items texts
//
$taskItemTexts = "";
$taskButtons = $taskBar->GetTaskButtons();
for($i = 0; $i < 4; $i ++)
{
$btn = $taskButtons->GetWidget($i);
if($i > 0)
$taskItemTexts = $taskItemTexts . ",";
$taskItemTexts = $taskItemTexts .
'"' . StrEscape($btn->GetName()) . '",' .
'"' . StrEscape($btn->GetTooltip()). '",' .
'"' . StrEscape($btn->GetDescription()). '",' .
'"' . StrEscape($btn->GetIconUrl()). '",' .
'"' . StrEscape($btn->GetDisabledIconUrl()). '"';
}

//transmit the session to the map pane if one was specified to this request
if($orgSessionId != "")
$sessionParam = "&SESSION=" . $orgSessionId;
else
$sessionParam = "";

//load the frameset template and format it
$frameset = "";

$viewerType = $forDwf? "DWF": "HTML";

if($showTaskBar)
{
$frameSetTempl = file_get_contents("../viewerfiles/framesettaskbar.templ");
$frameset = sprintf($frameSetTempl,
$statusbarHeight,
$taskWidth, $toolbarHeight,
$srcToolbar,
$vpath . "mapframe.php",
$mapDefinitionUrl,
$viewerType,
$showLegend? 1: 0, $showProperties? 1: 0, $infoWidth,
$locale,
$webLayout->GetHyperlinkTarget(), $webLayout->GetHyperlinkTargetFrame(),
$webLayout->IsZoomControlVisible()? 1: 0,
$sessionParam,
$vpath . "formframe.php",
$toolbarHeight+1, $srcTaskBar,
$srcTaskFrame,
$srcStatusbar);
}
else
{
$frameSetTempl = file_get_contents("../viewerfiles/framesetnotaskbar.templ");
$frameset = sprintf($frameSetTempl,
$toolbarHeight,
$statusbarHeight,
$srcToolbar,
$taskWidth,
$vpath . "mapframe.php",
$mapDefinitionUrl,
$viewerType,
$showLegend? 1: 0,
$showProperties? 1: 0,
$infoWidth,
$locale,
$webLayout->GetHyperlinkTarget(),
$webLayout->GetHyperlinkTargetFrame(),
$webLayout->IsZoomControlVisible()? 1: 0,
$sessionParam,
$srcTaskFrame,
$vpath . "formframe.php",
$srcStatusbar);
}

$homePageUrl = $taskPaneUrl;
if(strncasecmp($homePageUrl, "http://", 7) != 0)
$homePageUrl = $vpath . $homePageUrl;

//load the HTML template and format it
//
$templ = Localize(file_get_contents("../viewerfiles/mainframe.templ"), $locale, GetClientOS());
print sprintf($templ,
$title,
$locale,
$showToolbar? 1: 0,
$showStatusbar? 1: 0,
$showTaskPane? 1: 0,
$showTaskPane? 0: ($showTaskBar? 1: 0),
$homePageUrl,
$defHome? "1": "0",
$webLayoutDefinition,
$mapDef,
$taskWidth,
$center,
$webLayout->GetScale(),
StrEscape($title),
$forDwf? "1": "0",
$cmdObjects,
$toolbarDef,
$taskListDef,
$ctxMenuDef,
$userCode,
$taskItemTexts,
$selAwareCmds,
$vpath . "printablepageui.php",
$vpath . "measureui.php",
$vpath . "searchprompt.php",
$vpath . "bufferui.php",
$vpath . "selectwithinui.php",
$userCodeCalls,
$vpath . "viewoptions.php",
$frameset);

}
catch(MgException $e)
{
echo $e->GetDetails();
}
catch(Exception $ne)
{
echo $ne->GetMessage();
}
}

function DeclareUiItems($coll, $varname)
{
global $cmds, $curFlyout;
$def = "";

for($i = 0, $j = 0; $i < $coll->GetCount(); $i++)
{
$item = $coll->GetWidget($i);
$it = $item->GetType();
if($it == MgWebWidgetType::Separator)
$def = $def . sprintf("%s[%d] = new UiItem('');\n", $varname, $j++);
else if($it == MgWebWidgetType::Command)
{
$cmd = $item->GetCommand();
if(!isset($cmds[$cmd->GetName()]))
continue;
$cmdIndex = $cmds[$cmd->GetName()];
$def = $def . sprintf("%s[%d] = new CommandItem(\"%s\", %d);\n", $varname, $j++, StrEscape($cmd->GetLabel()), $cmdIndex);
}
else
{
$curFlyout++;
$subVarname = "flyoutDef" . $curFlyout;
$htmlName = "FlyoutDiv" . $curFlyout;
$def = $def . sprintf("var %s = new Array()\n", $subVarname);
$def = $def . DeclareUiItems($item->GetSubItems(), $subVarname);
$def = $def . sprintf("%s[%d] = new FlyoutItem(\"%s\", %s, \"%s\", \"%s\");\n", $varname, $j++, StrEscape($item->GetLabel()), $subVarname, StrEscape($htmlName), $item->GetIconUrl());
}
}
return $def;
}

function GetParameters($params)
{
global $debug, $webLayoutDefinition;
global $sessionId, $username, $password, $orgSessionId, $locale;

$webLayoutDefinition = $params['WEBLAYOUT'];

if(isset($params['LOCALE']))
$locale = $params['LOCALE'];
else
$locale = GetDefaultLocale();

if(isset($params['SESSION']))
{
$sessionId = $params['SESSION'];
$orgSessionId = $sessionId;
}
else
{
if(isset($params['USERNAME']))
{
$username = $params['USERNAME'];
if(isset($params['PASSWORD']))
$password = $params['PASSWORD'];
return;
}

// No session, no credentials explicitely passed. Check for HTTP Auth user/passwd. Under Apache CGI, the
// PHP_AUTH_USER and PHP_AUTH_PW are not set. However, the Apache admin may
// have rewritten the authentication information to REMOTE_USER. This is a
// suggested approach from the Php.net website.

// Has REMOTE_USER been rewritten?
if (!isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['REMOTE_USER']) &&
preg_match('/Basic +(.*)$/i', $_SERVER['REMOTE_USER'], $matches))
{
list($name, $password) = explode(':', base64_decode($matches[1]));
$_SERVER['PHP_AUTH_USER'] = strip_tags($name);
$_SERVER['PHP_AUTH_PW'] = strip_tags($password);
}

// REMOTE_USER may also appear as REDIRECT_REMOTE_USER depending on CGI setup.
// Check for this as well.
if (!isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['REDIRECT_REMOTE_USER']) &&
preg_match('/Basic (.*)$/i', $_SERVER['REDIRECT_REMOTE_USER'], $matches))
{
list($name, $password) = explode(':', base64_decode($matches[1]));
$_SERVER['PHP_AUTH_USER'] = strip_tags($name);
$_SERVER['PHP_AUTH_PW'] = strip_tags($password);
}

// Finally, PHP_AUTH_USER may actually be defined correctly. If it is set, or
// has been pulled from REMOTE_USER rewriting then set our USERNAME and PASSWORD
// parameters.
if (isset($_SERVER['PHP_AUTH_USER']) && strlen($_SERVER['PHP_AUTH_USER']) > 0)
{
$username = $_SERVER['PHP_AUTH_USER'];
if (isset($_SERVER['PHP_AUTH_PW']) && strlen($_SERVER['PHP_AUTH_PW']) > 0)
$password = $_SERVER['PHP_AUTH_PW'];
return;
}
}
}

function GetRequestParameters()
{
if($_SERVER['REQUEST_METHOD'] == "POST")
GetParameters($_POST);
else
GetParameters($_GET);
}

function StrEscape($str, $single=false)
{
$c = $single? "'" : "\"";
if(strpos($str, $c) < 0)
return $str;

return str_replace($c, "\\" . $c , $str);
}

function requestAuthentication()
{
global $product;

header('WWW-Authenticate: Basic realm="' . $product . '"');
header('HTTP/1.1 401 Unauthorized');
header("Status: 401 Access Denied");
echo "You must enter a valid login ID and password to access this site\n";
}

?>
[/code]

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