Aerys\Root::loadMimeFileTypes PHP Method

    private function loadMimeFileTypes(string $mimeFile)
    {
        $mimeFile = str_replace('\\', '/', $mimeFile);
        $mimeStr = @file_get_contents($mimeFile);
        if ($mimeStr === false) {
            throw new \RuntimeException("Failed loading mime associations from file {$mimeFile}");
        }
        if (!preg_match_all('#\\s*([a-z0-9]+)\\s+([a-z0-9\\-]+/[a-z0-9\\-]+(?:\\+[a-z0-9\\-]+)?)#i', $mimeStr, $matches)) {
            throw new \RuntimeException("No mime associations found in file: {$mimeFile}");
        }
        $mimeTypes = [];
        foreach ($matches[1] as $key => $value) {
            $mimeTypes[strtolower($value)] = $matches[2][$key];
        }
        $this->mimeFileTypes = $mimeTypes;
    }