Box PHP calls

index.php

<?php

class Foobar
{
    public function success()
    {
        return $this->box('doSuccess', false, '123', '456');
    }

    public function fail()
    {
        return $this->box('doFail', false, '789', '101112');
    }

    // Sandbox all method calls
    private function box($method, $defaultReturnValue = null, ...$args)
    {
        set_error_handler(__CLASS__.'::handleInternalError');

        try {
            return [$this, $method](...$args);
        } catch (\ErrorException $e) {
            // FIXME: proper logging here
            error_log("OUPPPPPPPPS, exception detected:\n".(string) $e);
        } finally {
            restore_error_handler();
        }

        return $defaultReturnValue;
    }

    private function doSuccess($a = null, $b = null)
    {
        dump(['succes params' => [$a, $b]]);

        return true;
    }

    private function doFail($a = null, $b = null)
    {
        dump(['fail params' => [$a, $b]]);

        // Will trigger a notice...
        $c = $d + 1;

        // will not be executed because of the notice
        return true;
    }

    private static function handleInternalError($type, $message, $file, $line)
    {
        throw new \ErrorException($message, 0, $type, $file, $line);
    }
}

$foobar = new Foobar();
dump(['success return' => $foobar->success()]);
dump(['fail return' => $foobar->fail()]);

$c = $d +1;