PHP ʖ²ἯTH º󍋼/A array_filter ˵÷ =ד 1. array_filter() =ד function odd($var) {return ($var% 2 == 1);} function even($var) {return ($var% 2 == 0);} $array1 = array ("a"= 1, "b"= 2, "c"= 3, "d"= 4, "e"= 5); $array2 = array (6, 7, 8, 9, 10, 11, 12); echo "Odd :\n"; print_r(array_filter($array1, "odd")); echo "Even:\n"; print_r(array_filter($array2, "even")); Ҕɏ³̐򵄊䳶Ϊ£º Odd: Array ([a] = 1 [c] = 3 [e] = 5) Even: Array ([0] = 6 [2] = 8 [4] = 10 [6] = 12) º󍋼/A ưµ㼯A array_fill ɏһ¼¶ array_flip