PHP字符串时间函数第一个工作日

$start_date = date('Y-m-d', strtotime('2022-01-01'));
$end_date = date('Y-m-d', strtotime('2022-12-31'));

$current_date = $start_date;
while (strtotime($current_date) <= strtotime($end_date)) {
    $weekday = date('N', strtotime($current_date));
    if ($weekday >= 1 && $weekday <= 5) {
        // 找到了第一个工作日
        break;
    }
    $current_date = date('Y-m-d', strtotime($current_date . ' +1 day'));
}

echo "第一个工作日是：" . $current_date;