>[info] 计算按天数 ~~~ if (!function_exists('countDays')) { /** * 计算按天数 */ function countDays($a, $b = 0) { if ($b == 0) { $b = date("Y-m-d"); } $date_1 = $a; $date_2 = $b; $d1 = strtotime($date_1); $d2 = strtotime($date_2); $days = round(($d2 - $d1) / 3600 / 24); if ($days > 0) { return $days; } else { return 0; } } } ~~~ 示例： ~~~ $item->delay = countDays(date("Y-m-d"),date('Y-m-d', $item->end_time)); ~~~