<?php
/*
 * Created on 2016-7-20
 */
SimCalendar('2016-08');//顯示8月份日歷
function SimCalendar($date)
{
  /**
   * 簡單日歷輸出,本函數(shù)需要cal_days_in_month的支持
   * @param $date Y-m 要輸出的日期
   */
  echo '<table border="1">
  <thead>
    <tr>
      <th>日</th>
      <th>一</th>
      <th>二</th>
      <th>三</th>
      <th>四</th>
      <th>五</th>
      <th>六</th>
    </tr>
  </thead>
  <tbody>';
    $date_array = explode('-', $date);
    $start_week = 0;//從星期天開始為0
    $month = cal_days_in_month(CAL_GREGORIAN, $date_array[1], $date_array[0]);//當(dāng)月的天數(shù)
    $wstar = date('w', strtotime($date . '-01'));//當(dāng)月從星期幾天始
    $rows = ceil(($wstar + $month) / 7);//總行數(shù)
    $mday = 1;//第幾天
    for ($i = 0; $i < $rows; $i++) {
      echo '<tr>';
      for ($d = 0; $d < 7; $d++) {
        $nowday = 7 * $i + $d + $start_week;
        if ($nowday >= $wstar && $mday <= $month) {
          $temp = date('d', strtotime($date . '-' . $mday));
          echo '<td>'.$temp . '</td>';
          $mday++;
        } else {
          echo '<td>&nbsp;</td>';
        }
      }
      echo '</tr>';
    }
  echo '</tbody>
</table>';
}
?>