generate a deck of cards and distribute it to 2 players

function generate_deck($players)
{
	$pairs = array();
	$deck = array();
	for ($i = 1; $i <= 52; $i++) {
		$deck[] = $i;
	}
	shuffle($deck);
	for ($i = 0; $i < $players; $i++) {
		$pairs[$i] = array();
	}
	foreach ($deck as $card) {
		array_push($pairs[$card % $players], $card);
	}
	return $pairs;
}

$players = 4;
$deckOfcards = generate_deck($players);