PHP内置函数实现简单洗牌
1 function wash_card($num_card) 2 { 3 $a = array_keys(array_fill(0, $num_card, '')); 4 $b = array_keys(array_fill(1, $num_card, '')); 5 $card_data = array_combine($a, $b); 6 shuffle($card_data); 7 return $card_data; 8 } 9 10 function card_wash($card_num) 11 { 12 $card_data = range(1, $card_num); 13 shuffle($card_data); 14 return $card_data; 15 }