Mockery\Expectation::_matchArg PHP Метод

    protected function _matchArg($expected, &$actual)
    {
        if ($expected === $actual) {
            return true;
        }
        if (!is_object($expected) && !is_object($actual) && $expected == $actual) {
            return true;
        }
        if (is_string($expected) && !is_array($actual) && !is_object($actual)) {
            # push/pop an error handler here to to make sure no error/exception thrown if $expected is not a regex
            set_error_handler(function () {
            });
            $result = preg_match($expected, (string) $actual);
            restore_error_handler();
            if ($result) {
                return true;
            }
        }
        if (is_string($expected) && is_object($actual)) {
            $result = $actual instanceof $expected;
            if ($result) {
                return true;
            }
        }
        if ($expected instanceof \Mockery\Matcher\MatcherAbstract) {
            return $expected->match($actual);
        }
        if ($expected instanceof \Hamcrest\Matcher || $expected instanceof \Hamcrest_Matcher) {
            return $expected->matches($actual);
        }
        return false;
    }