我正在尝试显示自此类日期以来的小时数...
$timestamp1 = '1517158402';
$timestamp2 = '1530204802';
$timestamp3 = '1548694384';
if ($timestamp1 && $timestamp2 && $timestamp3 ) {
/* Calculate time */
$timestamp1_obj = new DateTime($timestamp1);
$timestamp2_obj = new DateTime($timestamp2);
$timestamp3_obj = new DateTime($timestamp3);
$since_start = $timestamp2_obj->diff($timestamp3_obj);
echo $since_start->h.' hours';
}
这给了我错误信息...
Uncaught Exception: DateTime::__construct(): Failed to parse time string
有人知道我要去哪里错吗?