static function convertForDisplay($date, $separator = '-', $abbreviate = false)
{
if ($date === null) {
return null;
} else {
if (!LsDate::validate($date)) {
throw new Exception("Can't convert: invalid date");
}
}
list($year, $month, $day) = explode('-', $date);
if (intval($year) < 1930) {
$abbreviate = false;
}
if (intval($year) > 0 && intval($month) > 0 && intval($day) > 0) {
$ret = date('M j \'y', strtotime($date));
} elseif (intval($year) > 0 && intval($month) > 0) {
//the month needs to be incremented because strtotime interprets '2008-12-00' as '2008-11-31'
$year = $month > 10 ? $year + 1 : $year;
$month = ($month + 1) % 12;
$ret = date('M \'y', strtotime(implode('-', array($year, $month, $day))));
} elseif ($year) {
if ($abbreviate) {
$ret = '\'' . substr($year, 2, 2);
} else {
$ret = $year;
}
} else {
$ret = null;
}
return $ret;
}