Pico::loadConfig PHP Method

    protected function loadConfig()
    {
        $config = null;
        if (file_exists($this->getConfigDir() . 'config.php')) {
            require $this->getConfigDir() . 'config.php';
        }
        $defaultConfig = array('site_title' => 'Pico', 'base_url' => '', 'rewrite_url' => null, 'theme' => 'default', 'date_format' => '%D %T', 'twig_config' => array('cache' => false, 'autoescape' => false, 'debug' => false), 'pages_order_by' => 'alpha', 'pages_order' => 'asc', 'content_dir' => null, 'content_ext' => '.md', 'timezone' => '');
        $this->config = is_array($this->config) ? $this->config : array();
        $this->config += is_array($config) ? $config + $defaultConfig : $defaultConfig;
        if (empty($this->config['base_url'])) {
            $this->config['base_url'] = $this->getBaseUrl();
        } else {
            $this->config['base_url'] = rtrim($this->config['base_url'], '/') . '/';
        }
        if ($this->config['rewrite_url'] === null) {
            $this->config['rewrite_url'] = $this->isUrlRewritingEnabled();
        }
        if (empty($this->config['content_dir'])) {
            // try to guess the content directory
            if (is_dir($this->getRootDir() . 'content')) {
                $this->config['content_dir'] = $this->getRootDir() . 'content/';
            } else {
                $this->config['content_dir'] = $this->getRootDir() . 'content-sample/';
            }
        } else {
            $this->config['content_dir'] = $this->getAbsolutePath($this->config['content_dir']);
        }
        if (empty($this->config['timezone'])) {
            // explicitly set a default timezone to prevent a E_NOTICE
            // when no timezone is set; the `date_default_timezone_get()`
            // function always returns a timezone, at least UTC
            $this->config['timezone'] = @date_default_timezone_get();
        }
        date_default_timezone_set($this->config['timezone']);
    }