class SplFileInfo

class SplFileInfo extends \SplFileInfo {
    
    /**
     * @param string $file             The file name
     * @param string $relativePath     The relative path
     * @param string $relativePathname The relative path name
     */
    public function __construct(string $file, string $relativePath, string $relativePathname) {
        parent::__construct($file);
    }
    
    /**
     * Returns the relative path.
     *
     * This path does not contain the file name.
     */
    public function getRelativePath() : string {
        return $this->relativePath;
    }
    
    /**
     * Returns the relative path name.
     *
     * This path contains the file name.
     */
    public function getRelativePathname() : string {
        return $this->relativePathname;
    }
    public function getFilenameWithoutExtension() : string {
        $filename = $this->getFilename();
        return pathinfo($filename, \PATHINFO_FILENAME);
    }
    
    /**
     * Returns the contents of the file.
     *
     * @throws \RuntimeException
     */
    public function getContents() : string {
        set_error_handler(function ($type, $msg) use (&$error) {
            $error = $msg;
        });
        try {
            $content = file_get_contents($this->getPathname());
        } finally {
            restore_error_handler();
        }
        if (false === $content) {
            throw new \RuntimeException($error);
        }
        return $content;
    }

}