static public function formatPath($value)
    {
        $value = preg_replace('/\s+/u', '_', $value);
        $value = preg_replace('/[^a-z0-9\.\:\-\_\s\/\\\\\x{4e00}-\x{9fa5}]/iu', '', $value);
        $value = preg_replace('/\/{2,}/', '/', $value);
        $value = preg_replace('/(\.\/?){2,}/', '', $value);
        return $value;
    }
static public function formatPath($value)
    {
        $value = preg_replace('/\s+/u', '_', $value);
        $value = preg_replace('/[^a-z0-9\.\:\-\_\s\/\\\\\x{4e00}-\x{9fa5}]/iu', '', $value);
        $value = preg_replace('/\/{2,}/', '/', $value);
        $value = preg_replace('/(\.\/?){2,}/', '', $value);
        return $value;
    }
static public function formatPath ( $ value ) { $ value = preg_replace ( '/\s+/u' , '_' , $ value ) ; $ value = preg_replace ( '/[^a-z0-9\.\:\-\_\s\/\\\\\x{4e00}-\x{9fa5}]/iu' , '' , $ value ) ; $ value = preg_replace ( '/\/{2,}/' , '/' , $ value ) ; $ value = preg_replace ( '/(\.\/?){2,}/' , '' , $ value ) ; return $ value ; }
format filesystem path
@param  string $value
@return string
format filesystem path