Extension:ContactAtOnce Presence

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ContactAtOnce Presence
Release status: stable
Implementation Tag
Description Render ContactAtOnce presence icon
Latest version 1.0 (2006-05-18)
MediaWiki 1.6.5
License No license specified
Download see below
Translate the ContactAtOnce Presence extension if it is available at translatewiki.net
Check usage and version matrix.

ContactAtOnce Presence[edit]

Render the ContactAtOnce presence icon for the specified provider, merchant and placement.
For example:
"<ContactAtOncePresence ProviderId="1" MerchantId="1" PlacementId="1"></ContactAtOncePresence>"

# ContactAtOnce Presence Icon Extension
$wgExtensionFunctions[] = "ContactAtOncePresenceExtension";

function ContactAtOncePresenceExtension() {
    global $wgParser;
    $wgParser->setHook( "ContactAtOncePresence", "RenderPresence" );

function RenderPresence( $input, $argv ) {
	# Build HTML tag to include ContactAtOnce presence icon image and code for launching conversation.
	# Expected arguments are MerchantId, ProviderId and PlacementId
    # <ContactAtOncePresence MerchantId="10" ProviderId="17" PlacementId="1"></ContactAtOncePresence>   
	$output .= "<A onclick=\"javascript:window.open('http://applications.contactatonce.com/caoclientcontainer.aspx?";
    $output .= "MerchantId=" . $argv["merchantid"];
    $output .= "&ProviderId=" . $argv["providerid"];
    if (isset($argv['placementid']))
		$output .= "&PlacementId=" . $argv["placementid"];
    $output .= "&OriginationUrl='+encodeURIComponent(location.href),";
    $output .= "'','resizable=yes,toolbar=no,menubar=no,location=no,scrollbars=no,status=no,height=400,width=600');";
    $output .= "return false;\"";
    $output .= "href=\"#\"";
    $output .= ">";
    $output .= "<IMG src=\"http://applications.contactatonce.com/getagentstatusimage.aspx?";
    $output .= "MerchantId=" . $argv["merchantid"];
    $output .= "&ProviderId=" . $argv["providerid"];
    if (isset($argv['placementid']))
		$output .= "&PlacementId=" . $argv["placementid"];
    $output .= "\"";
    $output .= "onerror=\"this.height=0;this.width=0\" border=\"0\"";
    $output .= ">";
    $output .= "</A>";
    return $output;


  1. Copy the code into a file (e.g. ContactAtOncePresence.php)
  2. Save the file in the extensions directory of your mediawiki folder
  3. Add the line include('extensions/ContactAtOncePresence.php'); to the end of your LocalSettings.php file.