How it works:

This function is running this php script which dynamically downloads this composer package, and loads it into memory.

This is all triggered by line 166, where the class is simply called by name, and PHP notices its not loaded yet, which kicks off the autoload behavior.

array(1) {
  ["BobBank"]=>
  object(SeanMorris\Bob\Bank)#17 (3) {
    ["bank":protected]=>
    array(1) {
      [0]=>
      NULL
    }
    ["stack":protected]=>
    array(0) {
    }
    ["blob":protected]=>
    NULL
  }
}
array(1) {
  ["Raw Val"]=>
  array(4) {
    [0]=>
    int(0)
    [1]=>
    int(1)
    [2]=>
    int(2)
    [3]=>
    int(3)
  }
}
array(1) {
  ["Encoded"]=>
  string(10) "PAA
AA"
}
array(1) {
  ["Decoded"]=>
  array(4) {
    [0]=>
    int(0)
    [1]=>
    int(1)
    [2]=>
    int(2)
    [3]=>
    int(3)
  }
}