dethell

override func viewWillDisappear(animated:Bool) {
    if let currentViewControllers = self.navigationController.viewControllers as? [UIViewController] {
        if let found = find(currentViewControllers, self) {
            // Do nothing if the current controller is still in the stack. This means we're going forward, not back
        }
        else {
            self.performSegueWithIdentifier("unwindToLogin", sender:self)
        }
    }
    super.viewWillDisappear(animated)

dethell

<?php
$array = [[1,2,[3]],4];
function returnValues($someArray, &$newArray) {
    foreach ($someArray as $value) {
        echo "checking value: " . print_r($value, true) . "<br/>\n";
        if (is_array($value)) {
            $values = returnValues($value, $newArray);
        }
        else {
            echo "pushing value<br/>\n";