php检查日期是星期六

$today = date("l"); // 获取当前日期的星期几
if ($today == "Saturday") {
    echo "今天是星期六";
} else {
    echo "今天不是星期六";
}

$date = "2022-01-01"; // 日期字符串
$timestamp = strtotime($date); // 将日期字符串转换为时间戳
$dayOfWeek = date("l", $timestamp); // 获取星期几
if ($dayOfWeek == "Saturday") {
    echo "该日期是星期六";
} else {
    echo "该日期不是星期六";
}