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calendar.cls.php
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calendar.cls.php
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<?php
class calendar
{
function display($urlformat, $weekday_start=0, $weekdays="", $months="", $year=0, $month=0, $specialdates="", $cellwidth=20)
{
// Get year and month
if($year && $month)
{
$day = date("d");
$t = mktime(0, 0, 0, $month, $day, $year);
if($year == date("Y") && $month == date("m")) $highlighttoday = TRUE;
}
else
{
$year = date("Y");
$month = date("m");
$day = date("d");
$t = time();
$highlighttoday = TRUE;
}
// Get weekday and month names
if(!$weekdays)
{
$weekdays = array("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday");
}
if(!$months)
{
$months = array("January","February","March","April","May","June","July","August","September","October","November","December");
}
$weekdays_small = array();
foreach($weekdays as $k=>$wd)
{
$weekdays_small[$k] = substr($wd, 0, 1);
if(ord($weekdays_small[$k]) >= 128) $weekdays_small[$k] .= substr($wd, 1, 1);
}
// Calendar title
$caltitle = $months[$month-1] . " " . $year;
// Prev and next month links
if ($month == 1)
{
$prev_month = 12;
$prev_month_year = $year-1;
}
else
{
$prev_month = $month-1;
$prev_month_year = $year;
}
if ($month == 12)
{
$next_month = 1;
$next_month_year = $year+1;
}
else
{
$next_month = $month+1;
$next_month_year = $year;
}
$month_link = "?";
$qsA = $_GET; unset($qsA['_xzcal_m'], $qsA['_xzcal_y']);
foreach($qsA as $k=>$v) $month_link .= "$k=$v&";
$prev_month_link = $month_link . "_xzcal_m=$prev_month&_xzcal_y=$prev_month_year";
$next_month_link = $month_link . "_xzcal_m=$next_month&_xzcal_y=$next_month_year";
$cal = <<< EOB
<table cellspacing="1" border="0" cellpadding="0" class="calendar">
<tr>
<td class="cal_header_month"><a href="$prev_month_link">«</a></td>
<td colspan="5" class="cal_header_month">$caltitle</td>
<td class="cal_header_month"><a href="$next_month_link">»</a></td>
</tr>
<tr>
EOB;
// Weekdays
$j = $weekday_start;
for ($i=0; $i<7; $i++)
{
$wds = $weekdays_small[$j];
$cal .= <<< EOB
<td class="cal_header_week" width="$cellwidth">$wds</td>
EOB;
$j++;
if ($j==7) $j=0;
}
$cal .= <<< EOB
</tr>
EOB;
// Days
$firstday_weekday = date("w", mktime(0, 0, 0, $month, 1, $year));
$empty_cells = ($firstday_weekday >= $weekday_start) ?
($firstday_weekday - $weekday_start) :
7 - $weekday_start;
if ($empty_cells) $cal .= "<tr>";
for ($i=0; $i<$empty_cells; $i++)
$cal .= "<td> </td>";
$lastday = date("t", $t);
$today = date("j", $t);
for ($d=1; $d<=$lastday; $d++, $i++)
{
$url = $urlformat;
$url = str_replace("{@T}", mktime(0, 0, 0, $month, $d, $year), $url);
$url = str_replace("{@D}", str_pad($d, 2, "0", STR_PAD_LEFT), $url);
$url = str_replace("{@M}", $month, $url);
$url = str_replace("{@Y}", $year, $url);
$url = str_replace("{@W}", $i, $url);
if ($i%7==0) $cal .= "<tr>";
$cal .= "<td";
if ($d == $today && $highlighttoday) $cal .= " id=\"today\"";
if (isset($specialdates[$d])) $cal .= " class=\"content_date\"";
$cal .= "><a href=\"$url\">$d</a></td>";
if ($i%7==6) $cal .= "</tr>";
}
if ($i%7 != 0)
{
for(; $i%7!=0; $i++) $cal .= "<td> </td>";
}
$cal .= "</tr></table>";
echo $cal;
}
}
?>