Joli\JoliCi\BuildStrategy\TravisCiBuildStrategy::createMatrix PHP Méthode

    protected function createMatrix($config)
    {
        $language = isset($config['language']) ? $config['language'] : 'ruby';
        if (!isset($this->defaults[$language])) {
            throw new \Exception(sprintf('Language %s not supported', $language));
        }
        $versionKey = isset($this->languageVersionKeyMapping[$language]) ? $this->languageVersionKeyMapping[$language] : $language;
        $environmentLines = $this->getConfigValue($config, $language, "env");
        $environnements = array();
        $globalEnv = array();
        $matrixEnv = $environmentLines;
        $versions = (array) (isset($config[$versionKey]) ? $config[$versionKey] : $this->defaults[$language]['default_versions']);
        foreach ($versions as $key => $version) {
            if (!$this->isLanguageVersionSupported($language, $version)) {
                unset($versions[$key]);
            }
        }
        if (isset($environmentLines['matrix'])) {
            $matrixEnv = $environmentLines['matrix'];
        }
        if (isset($environmentLines['global'])) {
            foreach ($environmentLines['global'] as $environementVariable) {
                if (is_array($environementVariable) && array_key_exists('secure', $environementVariable)) {
                    continue;
                }
                list($key, $value) = $this->parseEnvironementVariable($environementVariable);
                $globalEnv = array_merge($globalEnv, array($key => $value));
            }
            if (!isset($environmentLines['matrix'])) {
                $matrixEnv = array();
            }
        }
        // Parsing environnements
        foreach ($matrixEnv as $environmentLine) {
            $environnements[] = $this->parseEnvironmentLine($environmentLine);
        }
        $matrix = new Matrix();
        $matrix->setDimension('language', array($language));
        $matrix->setDimension('environment', $environnements);
        $matrix->setDimension('global_env', array($globalEnv));
        $matrix->setDimension('version', $versions);
        $matrix->setDimension('before_install', array($this->getConfigValue($config, $language, 'before_install')));
        $matrix->setDimension('install', array($this->getConfigValue($config, $language, 'install')));
        $matrix->setDimension('before_script', array($this->getConfigValue($config, $language, 'before_script')));
        $matrix->setDimension('script', array($this->getConfigValue($config, $language, 'script')));
        return $matrix;
    }