<?php
  include '../lib/common.php';
  
  // accept incoming URL parameter
  $timestamp\; =\; (isset($_GET['t'])) ? $\_GET[\text{'}t\text{'}]\; :\; time();$// determine useful aspects of the requested month
  list(month, $day,$year) = explode('/', date('m/d/Y', $timestamp));$first_day_of_month = date('w', mktime(0, 0, 0, $month,\; 1,$year));
  $total\_days\; =\; date(\text{'}t\text{'},$timestamp);
  
  // output table header
  ob_start();
  echo '<table id="calendar">';
  echo '<tr id="calendar_header"><th colspan="7">';
  echo '<a href="' . htmlspecialchars($\_SERVER[\text{'}PHP\_SELF\text{'}])\; .\; \text{'}?t=\text{'}\; .\; strtotime(\text{'}-1\; month\text{'},$timestamp) . '">&lt;</a> &nbsp;';
  echo date('F', $timestamp)\; .\; \text{'}\; \text{'}\; .$year;
  echo '&nbsp; <a href="' . htmlspecialchars($\_SERVER[\text{'}PHP\_SELF\text{'}])\; .\; \text{'}?t=\text{'}\; .\; strtotime(\text{'}+1\; month\text{'},$timestamp) . '">&gt;</a>';
  echo '</th></tr>';
  echo '<tr><th>Sun</th><th>Mon</th><th>Tue</th><th>Wed</th><th>Thu</th>' .
      '<th>Fri</th><th>Sat</th></tr>';
  
  // output date cells
  $current\; =\; 1;\; while\; ($current <= $total\_days)\; \{\; echo\; \text{'}$<tr class="calendar_dates">';
      for (i = 0; i++)
      {
          if ((i < $first\_day\_of\_month)\; ||\; ($current > $total\_days))\; \{\; echo\; \text{'}$<td class="empty">&nbsp</td>';
              continue;
          }
  
          echo '<td>' . current . '</td>';
          $current++;\; \}\; echo\; \text{'}$</tr>';
  }
  echo '</table>';
  GLOBALS['TEMPLATE']['content'] = ob_get_clean();
  
  // assign styles for calendar
  $GLOBALS[\text{'}TEMPLATE\text{'}][\text{'}extra\_head\text{'}]\; =\; \text{'}$<link rel="stylesheet" type="text/css" ' .
      'href="css/monthly_calendar.css"/>';
  
  // display page
  include '../templates/template-page.php';
  ?>