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MDL-15553 events_trigger() perf improvement; merged from MOODLE_19_STABLE

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skodak 2008-07-06 18:58:46 +00:00
parent 2942a5cd34
commit 1336c96edb
1 changed files with 21 additions and 1 deletions
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22
lib/eventslib.php
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@ -325,7 +325,27 @@ function events_dequeue($qhandler) {
}
}
/**
* Returns hanflers for given event. Uses caching for better perf.
* @param string $eventanme name of even or 'reset'
* @return mixed array of handlers or false otherwise
*
* INTERNAL - to be used from eventslib only
*/
function events_get_handlers($eventname) {
static $handlers = array();
if ($eventname == 'reset') {
$handlers = array();
return false;
}
if (!array_key_exists($eventname, $handlers)) {
$handlers[$eventname] = $DB->get_records('events_handlers', array('eventname'=>$eventname));
}
return $handlers[$eventname];
}
/****** Public events API starts here, do not use functions above in 3rd party code ******/
@ -390,7 +410,7 @@ function events_trigger($eventname, $eventdata) {
$event = false;
// pull out all registered event handlers
if ($handlers = $DB->get_records('events_handlers', array('eventname'=>$eventname))) {
if ($handlers = events_get_handlers($eventname)) {
foreach ($handlers as $handler) {
$errormessage = '';