public function convertPHPFormatDateToISOFormatDate($inputPHPFormat, $date)
{
$dateFormat = new sfDateFormat();
try {
$symfonyPattern = $this->__getSymfonyDateFormatPattern($inputPHPFormat);
$dateParts = $dateFormat->getDate($date, $symfonyPattern);
if (is_array($dateParts) && isset($dateParts['year']) && isset($dateParts['mon']) && isset($dateParts['mday'])) {
$day = $dateParts['mday'];
$month = $dateParts['mon'];
$year = $dateParts['year'];
// Additional check done for 3 digit years, or more than 4 digit years
if (checkdate($month, $day, $year) && $year >= 1000 && $year <= 9999) {
$dateTime = new DateTime();
$dateTime->setTimezone(new DateTimeZone(date_default_timezone_get()));
$dateTime->setDate($year, $month, $day);
$date = $dateTime->format('Y-m-d');
return $date;
} else {
return "Invalid date";
}
}
} catch (Exception $e) {
return "Invalid date";
}
return null;
}
