"2017-05-01 09:00" && $time<"2017-05-01 09:20"){        return "in";    }    if($time>"2017-05-01 10:00" && $time<"2017-05-01 10:20"){        return "in";    }    if($time>"2017-05-01 11:00" && $time<"2017-05-01 11:20"){        return "in";    }    if($time>"2017-05-01 15:00" && $time<"2017-05-01 15:20"){        return "in";    }    if($time>"2017-05-01 16:00" && $time<"2017-05-01 16:20"){        return "in";    }    if($time>"2017-05-01 17:00" && $time<"2017-05-01 17:20"){        return "in";    }        /*5.2*/    if($time>"2017-05-02 09:00" && $time<"2017-05-02 09:20"){        return "in";    }    if($time>"2017-05-02 10:00" && $time<"2017-05-02 10:20"){        return "in";    }    if($time>"2017-05-02 11:00" && $time<"2017-05-02 11:20"){        return "in";    }    if($time>"2017-05-02 15:00" && $time<"2017-05-02 15:20"){        return "in";    }    if($time>"2017-05-02 16:00" && $time<"2017-05-02 16:20"){        return "in";    }    if($time>"2017-05-02 17:00" && $time<"2017-05-02 17:20"){        return "in";    }        /*5.3*/    if($time>"2017-05-03 09:00" && $time<"2017-05-03 09:20"){        return "in";    }    if($time>"2017-05-03 10:00" && $time<"2017-05-03 10:20"){        return "in";    }    if($time>"2017-05-03 11:00" && $time<"2017-05-03 11:20"){        return "in";    }    if($time>"2017-05-03 15:00" && $time<"2017-05-03 15:20"){        return "in";    }    if($time>"2017-05-03 16:00" && $time<"2017-05-03 16:20"){        return "in";    }    if($time>"2017-05-03 17:00" && $time<"2017-05-03 17:20"){        return "in";    }        return "noin";    }?>