ApiGen\Console\Input\LiberalFormatArgvInput::removeEqualsSign PHP Method

    private function removeEqualsSign($value)
    {
        if (is_array($value)) {
            array_walk($value, function (&$singleValue) {
                $singleValue = ltrim($singleValue, '=');
            });
        } else {
            $value = ltrim($value, '=');
        }
        return $value;
    }