string(0) ""
string(0) ""
string(0) ""
string(0) ""
string(0) ""
array(1) {
  [0]=>
  array(2) {
    [0]=>
    array(2) {
      ["mac"]=>
      &string(6) "00AF2E"
      ["signal"]=>
      &string(2) "-5"
    }
    [1]=>
    array(2) {
      ["mac"]=>
      &string(9) "javasucks"
      ["signal"]=>
      &string(3) "-99"
    }
  }
}
array(1) {
  [0]=>
  array(2) {
    [0]=>
    array(2) {
      ["mac"]=>
      &string(6) "00AF2E"
      ["signal"]=>
      &string(2) "-5"
    }
    [1]=>
    array(2) {
      ["mac"]=>
      &string(9) "javasucks"
      ["signal"]=>
      &string(3) "-99"
    }
  }
}