PHP ʖ²ἯTH º󍋼/A count ˵÷ ¾¯¸漯B =ד 1. count() =ד $a[0] = 1; $a[1] = 3; $a[2] = 5; $result = count ($a); // $result == 3 $b[0] = 7; $b[5] = 9; $b[10] = 11; $result = count ($b); // $result == 3; ע: sizeof() º¯ʽʇ count() µļA HREF="aliases.html" ±㻼/A ¡£ º󍋼/A ưµ㼯A compact ɏһ¼¶ current