diff --git a/php/BasicTestCase.php b/php/BasicTestCase.php
index 536ddba..49199b2 100644
--- a/php/BasicTestCase.php
+++ b/php/BasicTestCase.php
@@ -7,11 +7,6 @@ namespace Tests;
 use Illuminate\Support\Collection;
 use PHPUnit\Framework\TestCase;
 
-/**
- * Useful phpunit asserts
- *
- * @see https://gist.github.com/anthonyaxenov/3c0d56b8884856a58c75a6f787006546/edit
- */
 class BasicTestCase extends TestCase
 {
     /**
@@ -106,4 +101,34 @@ class BasicTestCase extends TestCase
             || $this->checkExtendsClasses([Collection::class], $value)
         );
     }
-}
+
+    /**
+     * Asserts that $array has all the $keys
+     *
+     * @param array $keys Keys to check
+     * @param array|ArrayAccess|Arrayable $array Array in which to check keys presence
+     * @return void
+     */
+    public function assertArrayHasKeys(array $keys, array|ArrayAccess|Arrayable $array): void
+    {
+        $array instanceof Arrayable && $array = $array->toArray();
+        foreach ($keys as $key) {
+            $this->assertArrayHasKey($key, $array);
+        }
+    }
+
+    /**
+     * Asserts that $array has not all the $keys
+     *
+     * @param array $keys Keys to check
+     * @param array|ArrayAccess|Arrayable $array Array in which to check keys absence
+     * @return void
+     */
+    public function assertArrayHasNotKeys(array $keys, array|ArrayAccess|Arrayable $array): void
+    {
+        $array instanceof Arrayable && $array = $array->toArray();
+        foreach ($keys as $key) {
+            $this->assertArrayNotHasKey($key, $array);
+        }
+    }
+}
\ No newline at end of file