code-challenge.php

// Super Secret Spy Award

$people = '{"data":[{"first_name":"jake","last_name":"bennett","age":31,"email":"jake@bennett.com","secret":"VXNlIHRoaXMgc2VjcmV0IHBocmFzZSBzb21ld2hlcmUgaW4geW91ciBjb2RlJ3MgY29tbWVudHM="},{"first_name":"jordon","last_name":"brill","age":85,"email": "jordon@brill.com","secret":"YWxidXF1ZXJxdWUuIHNub3JrZWwu"},]}';

$correctedJSON = preg_replace_callback("/(?:}(,)[^{])/", function($matches) {
  return str_replace(",", "", $matches[0]);
}
, $people);

$data = collect(json_decode($correctedJSON)->data);


$emailAddresses = implode(', ', $data->map(function($person) {
	return $person->email;
})->toArray());


$newData = $data->each(function($person) {
  return $person->name = $person->first_name . ' ' . $person->last_name;
})->sortByDesc('age');

echo $emailAddresses, $newData;