php Calender(日历)代码分享

代码如下：

复制代码代码如下:

function myCalender($year = '', $month = '', $timezone = 'Asia/Shanghai')
{

    date_default_timezone_set ( $timezone );
    $year = abs ( intval ( $year ) );
    $month = abs ( intval ( $month ) );

    //是否是32位机
    if (is32())
    {
        if ($year < 1970 or $year >= 2038)
        {
            $year = date ( 'Y' );
        }
    } else
    {
        if ($year <= 0)
        {
            $year = date ( 'Y' );
        }

    }

    if ($month <= 0 or $month > 12)
    {
        $month = date ( 'm' );
    }

    //上一年
    $pretYear = $year - 1;
    //上一月
    $mpYear = $year;
    $preMonth = $month - 1;
    if ($preMonth <= 0)
    {
        $preMonth = 1;
        $mpYear = $pretYear;
    }

    //下一年
    $nextYear = $year + 1;
    //下一月
    $mnYear = $year;
    $nextMonth = $month + 1;
    if ($nextMonth > 12)
    {
        $nextMonth = 1;
        $mnYear = $nextYear;
    }

    //日历头
    $html = <<

上一年

上一月

回到今天

下一月

下一年

{$year}年{$month}月

HTML;

    $currentDay = date ( 'Y-m-j' );

    //当月最后一天
    $lastday = date ( 'j', mktime ( 0, 0, 0, $nextMonth, 0, $year ) );

    //循环输出天数
    $day = 1;
    $line = '';
    while ( $day <= $lastday )
    {
        $cday = $year . '-' . $month . '-' . $day;

        //当前星期几
        $nowWeek = date ( 'N', mktime ( 0, 0, 0, $month, $day, $year ) );

        if ($day == 1)
        {
            $line = '';
            $line .= str_repeat ( '', $nowWeek - 1 );
        }

        if ($cday == $currentDay)
        {
            $style = 'style="color:red;"';
        } else
        {
            $style = '';
        }

        $line .= "";

        //一周结束
        if ($nowWeek == 7)
        {
            $line .= '';
            $html .= $line;
            $line = '';
        }

        //全月结束
        if ($day == $lastday)
        {
            if ($nowWeek != 7)
            {
                $line .= str_repeat ( '', 7 - $nowWeek );
            }
            $line .= '';
            $html .= $line;

            break;
        }

        $day ++;
    }

    $html .= <<

星期一	星期二	星期三	星期四	星期五	星期六	星期天
	$day

HTML;
return $html;
}

function is32()
{
    $is32 = False;
    if (strtotime ( '2039-10-10' ) === False)
    {
        $is32 = True;
    }
    return $is32;
}

php Calender(日历)代码分享

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