Date picker

Creates a date picker allowing selection of dates in the next 10 years.

Defaults to selecting today but custom selected date can be set (in YYYY-MM-DD format).

Example: <?= formdatepicker('2012-12-25'); ?>
Sample: http://brendanmurty.com/dev/date-picker.php

<?
function form_date_picker($custom_date=''){
$this_year=date('Y');
$ten_years=$this_year+11;

if($custom_date==''){ // Use todays date
    $selected_day=date('j');
    $selected_month=date('m');
    $selected_year=date('Y');
}else{ // Use a custom date
    $date_parts=explode('-',$custom_date);
    $selected_day=$date_parts['2'];
    $selected_month=$date_parts['1'];
    $selected_year=$date_parts['0'];
}

// Day
$f='<select id="date_day" name="date_day">';
for($i=1;$i<32;$i++){
    $n=$i;
    if($n<10){ $n='0'.$n; }
    $f.='<option label="'.$i.'" value="'.$n.'"';
    if($i==$selected_day){ $f.=' selected="selected"'; }
    $f.='>';
}
$f.='</select>';

// Month
$f.='<select id="date_month" name="date_month">';
for($i=1;$i<13;$i++){
    $timestamp=mktime(0,0,0,$i,1,$this_year);
    $l=date('M',$timestamp);
    if($i<10){ $i='0'.$i; }
    $f.='<option label="'.$l.'" value="'.$i.'"';
    if($i==$selected_month){ $f.=' selected="selected"'; }
    $f.='>';
}
$f.='</select>';

// Year
$f.='<select id="date_year" name="date_year">';
for($i=$this_year;$i<$ten_years;$i++){
    $f.='<option label="'.$i.'" value="'.$i.'"';
    if($i==$selected_year){ $f.=' selected="selected"'; }
    $f.='>';
}
$f.='</select>';

return $f;
}
?>