1
好了,讓我們開始誤差第6行期望),但它具有足夠多的
<?php
function LuhnCalc($number) {
$chars = array_reverse(str_split($number, 1));
$odd = array_intersect_key($chars, array_fill_keys(range(1, count($chars), 2), null));
$even = array_intersect_key($chars, array_fill_keys(range(0, count($chars), 2), null));
$even = array_map(function($n) { return ($n >= 5)?2 * $n – 9:2 * $n; }, $even);
$total = array_sum($odd) + array_sum($even);
return ((floor($total/10) + 1) * 10 – $total) % 10;
}
print LuhnCalc($_GET['num']);
?>
的誤差示出在下列行的代碼
$even = array_map(function($n) { return ($n >= 5)?2 * $n – 9:2 * $n; }, $even);
return ((floor($total/10) + 1) * 10 – $total) % 10;
的錯誤是
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /home/MONKEY DO /public_html/gateway/crn.php on line 6
謝謝,現在升級。 – RussellHarrower
沒有理由爲此更新..您可以將array_map轉換爲使用內嵌代碼 – 2012-06-13 00:11:49
我正在運行PHP版本5.3.13 – RussellHarrower