php格式化时间成时间戳方法
$date = "2023-04-01 12:00:00";
$timestamp = strtotime($date);
echo $timestamp; // 输出时间戳最近访问时间：2026-05-29 05:23:15
$date = "2023-04-01 12:00:00";
$timestamp = strtotime($date);
echo $timestamp; // 输出时间戳