PHPDoc Comment, spacing and better index checking

src/Http/Faking/MockClient.php

@@ -259,7 +259,12 @@ public function assertNotSent(string|callable $request): void
  PHPUnit::assertTrue($result, 'An unexpected request was sent.');
  }
 
-
+ /**
+ * Assert that given requests were sent in order
+ *
+ * @param array<\Closure|class-string<Request>|string> $callbacks
+ * @return void
+ */
  public function assertSentInOrder(array $callbacks): void
  {
  $this->assertSentCount(count($callbacks));
@@ -320,7 +325,6 @@ protected function checkRequestWasSent(string|callable $request, ?int $index = n
  return $this->checkClosureAgainstResponses($request, $index);
  }
 
-
  if (is_string($request)) {
  if (class_exists($request) && Helpers::isSubclassOf($request, Request::class)) {
  $passed = $this->findResponseByRequest($request, $index) instanceof Response;
@@ -349,8 +353,9 @@ public function findResponseByRequest(string $request, ?int $index = null): ?Res
  return null;
  }
 
- if($index) {
+ if(! is_null($index)) {
  $recordedResponse = $this->getRecordedResponses()[$index];
+
  if ($recordedResponse->getPendingRequest()->getRequest() instanceof $request) {
  return $recordedResponse;
  }
@@ -380,7 +385,7 @@ public function findResponseByRequestUrl(string $url, ?int $index = null): ?Resp
  return null;
  }
 
- if($index) {
+ if(! is_null($index)) {
  $response = $this->getRecordedResponses()[$index];
  $pendingRequest = $response->getPendingRequest();
 
@@ -447,7 +452,7 @@ private function checkClosureAgainstResponses(callable $closure, ?int $index = n
  return false;
  }
 
- if($index) {
+ if(! is_null($index)) {
  $response = $this->getRecordedResponses()[$index];
  $request = $response->getPendingRequest()->getRequest();