src/Base/ConfigReader.php
public function readData() {
        if (empty($this->names)) {
            $this->names = $this->generateNames();
        }
        //Add default configs
        $defaultPath = dirname(__DIR__) . DIRECTORY_SEPARATOR . $this->configPathDefault;
        $paths = [$defaultPath, $this->path];
        $confData = [];
        foreach ($paths as $basePath) {
            foreach ($this->names as $_name_) {
                $_fileName_ = $this->normalizeConfigPath($_name_, $basePath);
                if (($fileConfig = $this->readFileData($_fileName_)) !== null) {
                    $confData[] = $fileConfig;
                }
            }
        }
        if (empty($confData)) {
            return [];
        } elseif (count($confData) === 1) {
            return reset($confData);
        }
        return static::mergeConfigs(...$confData);
    }
public function readData() {
        if (empty($this->names)) {
            $this->names = $this->generateNames();
        }
        //Add default configs
        $defaultPath = dirname(__DIR__) . DIRECTORY_SEPARATOR . $this->configPathDefault;
        $paths = [$defaultPath, $this->path];
        $confData = [];
        foreach ($paths as $basePath) {
            foreach ($this->names as $_name_) {
                $_fileName_ = $this->normalizeConfigPath($_name_, $basePath);
                if (($fileConfig = $this->readFileData($_fileName_)) !== null) {
                    $confData[] = $fileConfig;
                }
            }
        }
        if (empty($confData)) {
            return [];
        } elseif (count($confData) === 1) {
            return reset($confData);
        }
        return static::mergeConfigs(...$confData);
    }
Read configs and merge
@return array