Merge pull request #702 from Medalink/feature/php81

PHP 8.1 Support

Author: freekmurze

src/QueryBuilder.php

@@ -153,22 +153,22 @@ public function __set($name, $value)
         $this->subject->{$name} = $value;
     }
 
-    public function offsetExists($offset)
+    public function offsetExists($offset): bool
     {
         return isset($this->subject[$offset]);
     }
 
-    public function offsetGet($offset)
+    public function offsetGet($offset): bool
     {
         return $this->subject[$offset];
     }
 
-    public function offsetSet($offset, $value)
+    public function offsetSet($offset, $value): void
     {
         $this->subject[$offset] = $value;
     }
 
-    public function offsetUnset($offset)
+    public function offsetUnset($offset): void
     {
         unset($this->subject[$offset]);
     }

src/QueryBuilderRequest.php

@@ -51,7 +51,7 @@ public function appends(): Collection
 
         $appendParts = $this->getRequestData($appendParameterName);
 
-        if (! is_array($appendParts)) {
+        if (! is_array($appendParts) && ! is_null($appendParts)) {
             $appendParts = explode(static::getAppendsArrayValueDelimiter(), $appendParts);
         }