Reference:Joomla System Plugin Specification
From Joomla! Documentation
Joomla! System Plugin Specification[edit]
1. Overview and Description[edit]
System bots are used for core interaction with Joomla. Examples of these types of bots are SEF or Joomfish related bots. There are currently two triggers available:
onBeforeStart\\ onAfterStart\\
2. Implementation[edit]
The implementation code used in this specification guide comes from the sef url systembot from the Joomla distribution
2.1 onBeforeStart[edit]
/**
* Converting the site URL to fit to the HTTP request
*
*/
function botJoomlaSEFUrl( ) {
global $task, $sectionid, $id, $Itemid, $limit, $limitstart, $database, $mod_rewrite_off;
$mod_rewrite_off = 0;
if ($GLOBALS['mosConfig_sef']) {
//do sef related stuff
}
}2.1.1 Description[edit]
The onBeforeStart function is called before anything else in Joomla the only thing available at this point is the mainframe class and the database class.
2.1.2 Parameters[edit]
none
2.1.3 Return Value[edit]
none
2.2. onAfterStart[edit]
/**
* Detects a 'visit'
*
* This function updates the agent and domain table hits for a particular
* visitor. The user agent is recorded/incremented if this is the first visit.
* A cookie is set to mark the first visit.
*/
function botDetectVisitor() {
global $database, $mainframe;
if ( mosGetParam( $_COOKIE, 'mosvisitor', 0 ) || !$mainframe->isSite() ) {
return;
}
//do other things
}2.2.1 Description[edit]
The onAfterStart function is called after core variables in Joomla are loaded, but before the actual page content is loaded.
2.2.2 Parameters[edit]
none
2.2.3 Return Value[edit]
none