A simple php Calender (calendar)-php手册-php.cn

A simple php Calender (calendar)

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Release： 2016-08-04 08:54:48

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A simple phpCalender (calendar), the code is very simple and easy to modify. 2038 question reference: http://fc-lamp.blog.163.com/blog/static/17456668720131117513473/ Friends who want to try, please go to: http://phptools.sinaapp.com/ None?php/** * * My Calendar * date_default_timezone_set date mktim

A simple php Calender (calendar), the code is very simple and easy to modify.
2038 question reference: http://fc-lamp.blog.163.com/blog/static/17456668720131117513473/

Friends who want to try, please go to: http://phptools.sinaapp.com/

<?php
/**
 * 
 * 我的日历
 * date_default_timezone_set date mktime
 * @param int $year
 * @param int $month
 * @param string $timezone
 * @author fc_lamp
 * @blog: fc-lamp.blog.163.com
 */
function myCalender($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
	$html = <<<HTML
<table width="500" border="1">
  <tr align="center">
    <td><a href="?y=$pretYear">上一年</a></td>
    <td><a href="?y=$mpYear&m=$preMonth">上一月</a></td>
     <td><a href="?">回到今天</a></td>
    <td><a href="?y=$mnYear&m=$nextMonth">下一月</a></td>
	<td><a href="?y=$nextYear">下一年</a></td>
  </tr>
  <tr align="center">
    <td colspan="5">{$year}年{$month}月</td>
  </tr>
  <tr>
  	<td colspan="5">
		<table width="100%" border="1">
			<tr align="center">
				<td style="background-color:#DAF0DD;">星期一</td>
				<td style="background-color:#DAF0DD;">星期二</td>
				<td style="background-color:#DAF0DD;">星期三</td>
				<td style="background-color:#DAF0DD;">星期四</td>
				<td style="background-color:#DAF0DD;">星期五</td>
				<td style="background-color:#F60;color:#fff;font-weight: bold;">星期六</td>
				<td style="background-color:#F60;color:#fff;font-weight: bold;">星期天</td>
			</tr>
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 = '<tr align="center">';
			$line .= str_repeat ( '<td> </td>', $nowWeek - 1 );
		}
		
		if ($cday == $currentDay)
		{
			$style = 'style="color:red;"';
		} else
		{
			$style = '';
		}
		
		$line .= "<td $style>$day</td>";
		
		//一周结束
		if ($nowWeek == 7)
		{
			$line .= '</tr>';
			$html .= $line;
			$line = '<tr align="center">';
		}
		
		//全月结束
		if ($day == $lastday)
		{
			if ($nowWeek != 7)
			{
				$line .= str_repeat ( '<td> </td>', 7 - $nowWeek );
			}
			$line .= '</tr>';
			$html .= $line;
			
			break;
		}
		
		$day ++;
	}
	
	$html .= <<<HTML
		</table>	
	</td>
  </tr>
</table>
HTML;
	return $html;
}

/**
 * 
 * 检测是否是32位机
 * @author fc_lamp
 * @blog: fc-lamp.blog.163.com
 */
function is32()
{
	$is32 = False;
	if (strtotime ( '2039-10-10' ) === False)
	{
		$is32 = True;
	}
	return $is32;
}

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