<?php function hanbetsu($num1, $num2 = 5, $type = false) { if ($type == false) { $kekka = $num1 * $num2; print $kekka; } else { $kekka3 = $num1 * $num2; $kekka4 = $kekka3 * $kekka3; print $kekka4; } } print hanbetsu(4, 3, true);
<?php function hanbetsu($num1, $num2, $num3) { if ($num1 % 2 == 0) { print "偶数" . "<br>"; } else { print "奇数" . "<br>"; } if ($num2 % 2 == 0) { print "偶数" . "<br>"; } else { print "奇数" . "<br>"; } if ($num3 % 2 == 0) { print "偶数" . "<br>"; } else { print "奇数" . "<br>"; } } print hanbetsu(4, 3, 5);