Calendars
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<?
/* createCalendar class, version 1.0
* Written by Jim Thome 10/2003
* based on a code snippet by Martin Wallgren
*
* This code is free to use.
*
*
*
*/
class createCalendar{
//you can re-order the $days_of_week variable to suit your needs (for different countries)
var $days_of_week = array('Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat');
//you can reset these to false before calling the member functions
var $printheader = true;
var $bold_today = true;
//these are examples of how to change the layout, using CSS here works too...
var $week_row_attrs=' align="center" bgcolor="#FFFFFF"';
var $week_cell_attrs= " onmouseover="javascript: this.style.backgroundColor = '#FFFFCC';
" onmouseout="javascript: this.style.backgroundColor = '#FFFFFF';"";
var $week_header_row_attrs='bgcolor="#FFFFFF"';
var $table_attrs = ' width="80%" height="80%" align="center" border="0"
cellspacing="1" cellpadding="6" bgcolor="#999999"';
var $header_row_attrs ='bgcolor="#FFFFFF" align="center"';
function createCalendar($year, $month, $day = 1) {
$this->timestamp = @mktime(0, 0, 0, $month, $day, $year);
if (!$this->timestamp || $year<1970)
die("invalid date received: year=$year, month=$month, day=$day");
$this->days_in_month = intval(date("t", $this->timestamp));
//month and year are re-calculated to allow for arguments like $day=32, $month=12+1, etc.
$this->month = date('n', $this->timestamp);
$this->year = date('Y', $this->timestamp);
$this->month_starts_on = date("D", mktime(0, 0, 0, $this->month, 1, $this->year));
} // end makeCalendar
function make_month_array(){
$i=1;
$this->week_num = 0;
while($i<$this->days_in_month+1){
for($daynum=0;$daynum<count($this->days_of_week);$daynum++){
if ($i==1){
if ($this->month_starts_on==$this->days_of_week[$daynum]){
$this->month_array[$this->week_num][$this->days_of_week[$daynum]]=$i;
$i++;
} else {
$this->month_array[$this->week_num][$this->days_of_week[$daynum]]=' ';
}
} else {
if ($i<=$this->days_in_month){
$this->month_array[$this->week_num][$this->days_of_week[$daynum]]=$i;
} else {
$this->month_array[$this->week_num][$this->days_of_week[$daynum]]=' ';
}
$i++;
}
if ($this->bold_today===true
&& $i-1==date('j')
&& $this->month==date('n')
&& $this->year==date('Y')
){
$this->month_array[$this->week_num][$this->days_of_week[$daynum]] =
'<strong>'.$this->month_array[$this->week_num][$this->days_of_week[$daynum]] . '</strong>';
}
}
$this->week_num++;
}
return $this->month_array;
}
function make_day_headers(){
$width=intval(1/count($this->days_of_week)*100) . "%";
foreach($this->days_of_week as $day_names){
$htm .= "n<th width="$width">$day_names</th>";
}
return "n<tr {$this->week_header_row_attrs}>$htm</tr>";
}
function make_day_rows($array){
foreach($array as $week_num=>$week_array){
foreach ($week_array as $value){
$htm .= "n<td {$this->week_cell_attrs}>$value</td>";
}
$rows .= "n<tr {$this->week_row_attrs}>$htm</tr>";
unset($htm);
}
return $rows;
}
function build_calendar(){
$month_array = $this->make_month_array();
$headers = $this->make_day_headers();
$make_day_rows = $this->make_day_rows($month_array);
return $this->month_template($headers, $make_day_rows);
}
function month_template($day_headings, $rows){
if ($this->printheader){
$month = date('F', $this->timestamp);
$colspan=count($this->days_of_week);
$header = <<<EOT
<tr {$this->header_row_attrs}>
<th colspan="$colspan">$month</th>
</tr>
EOT;
}
return <<<EOT
<table {$this->table_attrs}>
$header
$day_headings
$rows
</table>
EOT;
}
} //end class
$CalObj = new createCalendar(1970, 12, 32, true, true);
//you can change any of the
//html variables here before calling build_calendar()
$CalObj->week_header_row_attrs='bgcolor="#EEEEEE"';
//display the calendar
echo $CalObj->build_calendar();
?>
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