code: protected function replaceWildcards($args)
      {
          if ($args === false) {
              return false;
          }
          for ($i = 0; $i < count($args); $i++) {
              if ($args[$i] === $this->wildcard) {
                  $args[$i] = new AnythingExpectation();
              }
          }
  
          return $args;
      }
docs: Replaces wildcard matches with wildcard expectations in the argument list.
  
  @param array $args      Raw argument list.
  
  @return array           Argument list with expectations.