Add function for batch validating ids in an array

src/MD_STD_IN.php

@@ -111,6 +111,25 @@ final class MD_STD_IN {
 
     }
 
+    /**
+     * Valiates a list of entries, ensuring all returned values are valid IDs.
+     *
+     * @param array<mixed> $inputs Input array.
+     *
+     * @return array<integer>
+     */
+    public static function sanitize_id_array(array $inputs):array {
+
+        $output = [];
+
+        foreach ($inputs as $input) {
+            $output[] = self::sanitize_id($input);
+        }
+
+        return $output;
+
+    }
+
     /**
      * Retrieves HTTP input texts from GET or POST variables, whatever is provided.
      * If neither is given, returns a provided default.