fix: remove redundant casting operations

Flagged by Psalm.

Signed-off-by: Matthew Weier O'Phinney <matthew@weierophinney.net>

Author: weierophinney

psalm-baseline.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<files psalm-version="5.0.0@4e177bf0c9f03c17d2fbfd83b7cc9c47605274d8">
+<files psalm-version="5.2.0@fb685a16df3050d4c18d8a4100fe83abe6458cba">
   <file src="src/CallbackStream.php">
     <ImplementedReturnTypeMismatch occurrences="1">
       <code>null|callable</code>
@@ -512,11 +512,8 @@
       <code>$record</code>
       <code>$record</code>
     </MixedArgumentTypeCoercion>
-    <MixedAssignment occurrences="4">
-      <code>$description</code>
+    <MixedAssignment occurrences="1">
       <code>$responseCode</code>
-      <code>$updated</code>
-      <code>$value</code>
     </MixedAssignment>
     <MoreSpecificReturnType occurrences="1">
       <code>list&lt;array{numeric-string, non-empty-string}&gt;</code>
@@ -527,11 +524,6 @@
     <StringIncrement occurrences="1">
       <code>$value</code>
     </StringIncrement>
-    <UndefinedPropertyFetch occurrences="3">
-      <code>$descriptionQueryResult-&gt;item(0)?-&gt;nodeValue</code>
-      <code>$updatedQueryResult-&gt;item(0)?-&gt;nodeValue</code>
-      <code>$valueQueryResult-&gt;item(0)?-&gt;nodeValue</code>
-    </UndefinedPropertyFetch>
   </file>
   <file src="test/ServerRequestFactoryTest.php">
     <InvalidArgument occurrences="1">
@@ -550,9 +542,6 @@
     <InvalidArgument occurrences="1">
       <code>$resource</code>
     </InvalidArgument>
-    <UndefinedDocblockClass occurrences="1">
-      <code>CurlHandle|GdImage|false|resource</code>
-    </UndefinedDocblockClass>
   </file>
   <file src="test/UploadedFileTest.php">
     <MixedArgument occurrences="2">

test/ResponseTest.php

@@ -83,7 +83,7 @@ private function fetchIanaStatusCodes(): DOMDocument
             $updatedQueryResult = $xpath->query('//ns:updated');
             if ($updatedQueryResult !== false && $updatedQueryResult->length > 0) {
                 $updated = $updatedQueryResult->item(0)?->nodeValue ?: '';
-                $updated = strtotime((string) $updated);
+                $updated = strtotime($updated);
             }
         }
 
@@ -149,8 +149,8 @@ public function ianaCodesReasonPhrasesProvider(): array
                 continue;
             }
 
-            $value       = (string) $value;
-            $description = (string) $description;
+            $value       = $value;
+            $description = $description;
 
             if (preg_match('/^([0-9]+)\s*\-\s*([0-9]+)$/', $value, $matches)) {
                 for ($value = $matches[1]; $value <= $matches[2]; $value++) {