Zephir\ClassDefinition::getExternalHeader PHP Method

    public function getExternalHeader()
    {
        $parts = explode('\\', $this->namespace);
        return 'ext/' . strtolower($parts[0] . DIRECTORY_SEPARATOR . str_replace('\\', DIRECTORY_SEPARATOR, $this->namespace) . DIRECTORY_SEPARATOR . $this->name) . '.zep';
    }