$obj1 = new stdClass();
$obj1->name = 'a';
$obj1->description = '1';
$obj2 = new stdClass();
$obj2->name = 'b';
$obj2->description = '2';
$obj3 = new stdClass();
$obj3->name = 'b';
$obj3->description = '3';
$array = array($obj1, $obj2, $obj3);
$grouped = Arrays::groupBy($array, Functions::extractField('name'));
Result:
Array
(
[a] => Array
(
[0] => stdClass Object
(
[name] => a
[description] => 1
)
)
[b] => Array
(
[0] => stdClass Object
(
[name] => b
[description] => 2
)
[1] => stdClass Object
(
[name] => b
[description] => 3
)
)
)
public static function groupBy(array $elements, $keyFunction, $orderField = null)
{
$map = array();
if (!empty($orderField)) {
$elements = self::orderBy($elements, $orderField);
}
foreach ($elements as $element) {
$key = Functions::call($keyFunction, $element);
$map[$key][] = $element;
}
return $map;
} public function getClosedByRoundForCricket()
{
$hits = Hit::join('game_user->user')->where(['game_user_id' => $this->id])->order('hits.id asc')->fetchAll();
$byRound = Arrays::groupBy($hits, Functions::extract()->round);
$closedInRound = [];
$closed = [15 => 0, 16 => 0, 17 => 0, 18 => 0, 19 => 0, 20 => 0, 25 => 0];
foreach ($byRound as $round => $hits) {
$closedInCurrentRound = 0;
foreach ($hits as $hit) {
if (isset($closed[$hit->field])) {
$closedField = min($hit->multiplier, 3 - $closed[$hit->field]);
$closedInCurrentRound += $closedField;
$closed[$hit->field] += $closedField;
}
}
$closedInRound[$round] = $closedInCurrentRound;
}
return $closedInRound;
}
