Fix fatal error with statemachine v3.0.0

Example/Order/Command/Authorize.php

@@ -4,13 +4,22 @@
 use Metabor\Statemachine\Command;
 use Example\Order\Order;
 use ArrayAccess;
+use InvalidArgumentException;
 
 class Authorize extends Command
 {
     /**
      */
-    public function __invoke(Order $order, ArrayAccess $context)
+    public function __invoke(mixed ...$args): void
     {
+        [$order, $context] = $args + [null, null];
+
+        if (!$order instanceof Order) {
+            throw new InvalidArgumentException('Subject has to be an Order!');
+        }
+        if (!$context instanceof ArrayAccess) {
+            throw new InvalidArgumentException('Context has to be an ArrayAccess!');
+        }
         if ($order->getNumber() != 'PREPAYMENT 2') {
             $context['authorize result'] = 'successful';
         } else {
@@ -22,7 +31,7 @@ public function __invoke(Order $order, ArrayAccess $context)
     /**
      * @return string
      */
-    public function __toString()
+    public function __toString(): string
     {
         return 'Authorize';
     }

Example/Order/Condition/AuthorizedSuccessful.php

@@ -12,15 +12,15 @@ class AuthorizedSuccessful implements ConditionInterface
     /**
      * @see MetaborStd\Statemachine.ConditionInterface::checkCondition()
      */
-    public function checkCondition($subject, ArrayAccess $context)
+    public function checkCondition(object $subject, ArrayAccess $context): bool
     {
         return ($context['authorize result'] == 'successful');
     }
 
     /**
      * @see MetaborStd.NamedInterface::getName()
      */
-    public function getName()
+    public function getName(): string
     {
         return 'authorized successful';
     }

Example/Order/Condition/ShippingDateGreater14Days.php

@@ -14,7 +14,7 @@ class ShippingDateGreater14Days implements ConditionInterface
     /**
      * @see MetaborStd\Statemachine.ConditionInterface::checkCondition()
      */
-    public function checkCondition($subject, ArrayAccess $context)
+    public function checkCondition(object $subject, ArrayAccess $context): bool
     {
         if (!$subject instanceof Order) {
             throw new InvalidArgumentException('Subject has to be an Order!');
@@ -26,7 +26,7 @@ public function checkCondition($subject, ArrayAccess $context)
     /**
      * @see MetaborStd.NamedInterface::getName()
      */
-    public function getName()
+    public function getName(): string
     {
         return 'shipping-date >= 14 days';
     }

Example/Order/Order.php

@@ -35,7 +35,7 @@ public function __construct($number, ProcessInterface $process)
      * @param string      $name
      * @param ArrayAccess $context
      */
-    public function triggerEvent($name, ArrayAccess $context = null)
+    public function triggerEvent($name, ?ArrayAccess $context = null)
     {
         echo 'trigger event "'.$name.'" on '.$this.PHP_EOL;
         $this->statemachine->triggerEvent($name, $context);