The PHP Transform Environment

The runtime environment available to PHP transforms is as follows:

$article the text content of the current article
$title the title of the current article
$properties the properties DOM object of the current article
$tCode the PHP code of the currently executing transform
$tTitle the article title of the currently executing transform
$tProperties the properties DOM object for the currently executing transform
$event the event that called this transform (eg. data, view, edit, save)
$path the path into the properties object of this transform's data elements
$script the currently executing script (index.php)

$xwUserName the name of the currently logged in user
$xwUserSYS the DOM object of the users Sys:User XML article
$xwUserGroups the groups this user belongs to
$xwEdit true if editing the current article
$xwView true if viewing the current article
$xwRaw true if the article should be returned without the surrounding site template
$xwPreview true if previewing the article
$xwSave true if saving the article
$xwArticleTitle the title of the current article
$xwArticle the text of the current article
$xwArticleProperties the DOM object of the current article's properties
$xwIsProperties true if current article is an XML properties article
$xwIsSystem true if current article is an XML Sys:User article
$xwIsUser true if user is logged in and not an anonymous IP address
$xwIsAdmin true if user is an XmlWiki administrator

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