feat: Adds an assertion to check if all keys exist in an array

- Adds the assertion to assert if all the provided keys exist in the given array
- Adds types
- Regenerates mixin

Author: Junaid Farooq

src/Assert.php

@@ -1857,6 +1857,22 @@ public static function keyExists(mixed $array, string|int $key, string $message
         return $array;
     }
 
+    /**
+     * @psalm-pure
+     *
+     * @param list<int|string> $keys
+     *
+     * @throws InvalidArgumentException
+     */
+    public static function KeysExist(mixed $array, array $keys, string $message = ''): void
+    {
+        static::isArray($array);
+
+        foreach ($keys as $key) {
+            static::keyExists($array, $key, $message ?: 'Expected the key %s to exist.',);
+        }
+    }
+
     /**
      * @psalm-pure
      *

src/Mixin.php

@@ -4490,6 +4490,62 @@ public static function allNullOrKeyExists(mixed $array, string|int $key, string
         return $array;
     }
 
+    /**
+     * @psalm-pure
+     *
+     * @param list<int|string> $keys
+     *
+     * @return mixed
+     *
+     * @throws InvalidArgumentException
+     */
+    public static function nullOrKeysExist(mixed $array, array $keys, string $message = ''): mixed
+    {
+        null === $array || static::KeysExist($array, $keys, $message);
+
+        return $array;
+    }
+
+    /**
+     * @psalm-pure
+     *
+     * @param list<int|string> $keys
+     *
+     * @return mixed
+     *
+     * @throws InvalidArgumentException
+     */
+    public static function allKeysExist(mixed $array, array $keys, string $message = ''): mixed
+    {
+        static::isIterable($array);
+
+        foreach ($array as $entry) {
+            static::KeysExist($entry, $keys, $message);
+        }
+
+        return $array;
+    }
+
+    /**
+     * @psalm-pure
+     *
+     * @param list<int|string> $keys
+     *
+     * @return mixed
+     *
+     * @throws InvalidArgumentException
+     */
+    public static function allNullOrKeysExist(mixed $array, array $keys, string $message = ''): mixed
+    {
+        static::isIterable($array);
+
+        foreach ($array as $entry) {
+            null === $entry || static::KeysExist($entry, $keys, $message);
+        }
+
+        return $array;
+    }
+
     /**
      * @psalm-pure
      *