Add Controls to the PHP Calendar

php_calendar_add_controls.txt

Written by David Walsh 

View Demo
The PHP => HTML
/* date settings */
$month = (int) ($_GET['month'] ? $_GET['month'] : date('m'));
$year = (int)  ($_GET['year'] ? $_GET['year'] : date('Y'));

/* select month control */
$select_month_control = '<select name="month" id="month">';
for($x = 1; $x <= 12; $x++) {
  $select_month_control.= '<option value="'.$x.'"'.($x != $month ? '' : ' selected="selected"').'>'.date('F',mktime(0,0,0,$x,1,$year)).'</option>';
}
$select_month_control.= '</select>';

/* select year control */
$year_range = 7;
$select_year_control = '<select name="year" id="year">';
for($x = ($year-floor($year_range/2)); $x <= ($year+floor($year_range/2)); $x++) {
	$select_year_control.= '<option value="'.$x.'"'.($x != $year ? '' : ' selected="selected"').'>'.$x.'</option>';
}
$select_year_control.= '</select>';

/* "next month" control */
$next_month_link = '<a href="?month='.($month != 12 ? $month + 1 : 1).'&year='.($month != 12 ? $year : $year + 1).'" class="control">Next Month >></a>';

/* "previous month" control */
$previous_month_link = '<a href="?month='.($month != 1 ? $month - 1 : 12).'&year='.($month != 1 ? $year : $year - 1).'" class="control"><< 	Previous Month</a>';

/* bringing the controls together */
$controls = '<form method="get">'.$select_month_control.$select_year_control.' <input type="submit" name="submit" value="Go" />      '.$previous_month_link.'     '.$next_month_link.' </form>';

echo $controls;
I wont explain the code because it's boring and simple but you may be wondering why I didn't include the controls within the PHP function. Since you may or may not want the controls and will want to style them differently, placing the controls within the PHP function would be a bad idea.