function generate_gives_to($group_list, $attempt = 0)
{
$recipients = [];
$givesto = [];
$attempt += 1;
foreach ($group_list as $k1 => $group) {
$possible_recipients = array_merge(array_slice($group_list, 0, $k1), array_slice($group_list, $k1 + 1));
$possible_recipients = array_diff(flatten($possible_recipients), $recipients);
foreach ($group as $k2 => $person) {
if (empty($possible_recipients)) {
if ($attempt < 10) {
return generate_gives_to($group_list, $attempt);
} else {
echo " - INCOMPLETE SOLUTION - ";
}
}
$k = array_rand($possible_recipients);
$givesto[$person] = $possible_recipients[$k];
$recipients[] = $possible_recipients[$k];
unset($possible_recipients[$k]);
}
}
fancy_print($givesto);
return $givesto;
}
function generate_gives_to($group_list, $fancy_print = true, $attempt = 0)
{
$recipients = [];
$givesto = [];
$attempt += 1;
foreach ($group_list as $k1 => $group) {
$possible_recipients = array_merge(array_slice($group_list, 0, $k1), array_slice($group_list, $k1 + 1));
$possible_recipients = array_diff(flatten($possible_recipients), $recipients);
foreach ($group as $k2 => $person) {
if (empty($possible_recipients)) {
if ($attempt < 10) {
return generate_gives_to($group_list, $fancy_print, $attempt);
} else {
return false;
}
}
$k = array_rand($possible_recipients);
$givesto[trim($person)] = trim($possible_recipients[$k]);
$recipients[] = $possible_recipients[$k];
unset($possible_recipients[$k]);
}
}
//echo fancy_print($givesto);
//return $givesto;
return $fancy_print ? fancy_print($givesto) : json_encode($givesto);
}
