Swap multiple logical OR for in_array when checking date casting (#38307

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src/Illuminate/Database/Eloquent/Concerns/HasAttributes.php

@@ -244,9 +244,7 @@ protected function addCastAttributesToArray(array $attributes, array $mutatedAtt
             // If the attribute cast was a date or a datetime, we will serialize the date as
             // a string. This allows the developers to customize how dates are serialized
             // into an array without affecting how they are persisted into the storage.
-            if ($attributes[$key] &&
-                ($value === 'date' || $value === 'datetime' ||
-                 $value === 'immutable_date' || $value === 'immutable_datetime')) {
+            if ($attributes[$key] && in_array($value, ['date', 'datetime', 'immutable_date', 'immutable_datetime'])) {
                 $attributes[$key] = $this->serializeDate($attributes[$key]);
             }