/**
* Sets the step based on a few checks
*
* @return void
*/
private function setStep()
{
// fetch step
$step = isset($_GET['step']) ? (int) $_GET['step'] : 1;
if ($step !== 1) {
// invalid requirements, so force step 2
if (!InstallerStep2::checkRequirements()) {
$step = 2;
}
}
// installer step class exists
if (class_exists('InstallerStep' . $step)) {
// isAllowed exists
if (is_callable(array('InstallerStep' . $step, 'isAllowed'))) {
// step is actually allowed
if (call_user_func(array('InstallerStep' . $step, 'isAllowed'))) {
// step has been validated
$this->step = $step;
// step out
return;
}
}
}
// fallback
$this->step = 1;
}
/**
* Is this step allowed.
*
* @return bool
*/
public static function isAllowed()
{
return InstallerStep2::isAllowed() && InstallerStep2::checkRequirements();
}