/**
* This function determines the correct order that events should be executed in.
* Events are executed based off priority, with `Event::kHIGH` priority executing
* first. If there is more than one Event of the same priority, they are then
* executed in alphabetical order. This function is designed to be used with
* PHP's uasort function.
*
* @link http://php.net/manual/en/function.uasort.php
* @param Event $a
* @param Event $b
* @return integer
*/
private function __findEventOrder($a, $b)
{
if ($a->priority() == $b->priority()) {
$a = $a->about();
$b = $b->about();
$handles = array($a['name'], $b['name']);
asort($handles);
return key($handles) == 0 ? -1 : 1;
}
return $a->priority() > $b->priority() ? -1 : 1;
}
