function NextDate($D, $M, $Y)
{
$dateVerification = MonthDays($M, $Y);
if ($D > $dateVerification) {
echo 'incorrect date , no such day';
return 'wrong date';
}
// echo($dateVerification.'<br/>');
$response = array();
if ($dateVerification == $D && $M == 12) {
$prevYear = $Y + 1;
$prevMonth = 1;
$prevDate = 1;
$response = array('day' => $prevDate, 'month' => $prevMonth, 'year' => $prevYear);
} elseif ($dateVerification == $D) {
$nextYear = $Y;
$nextMonth = $M + 1;
$nextDate = 1;
$response = array('day' => $nextDate, 'month' => $nextMonth, 'year' => $nextYear);
} else {
$D++;
$response = array('day' => $D, 'month' => $M, 'year' => $Y);
}
return $response;
}
function PrevDate($D, $M, $Y)
{
if ($D == 1 && $M == 1) {
$prevYear = $Y - 1;
$prevMonth = 12;
$prevDate = MonthDays($prevMonth, $Y);
$response = array('day' => $prevDate, 'month' => $prevMonth, 'year' => $prevYear);
} elseif ($D == 1) {
$prevYear = $Y;
$prevMonth = $M - 1;
$prevDate = MonthDays($prevMonth, $Y);
$response = array('day' => $prevDate, 'month' => $prevMonth, 'year' => $prevYear);
} else {
$prevYear = $Y;
$prevMonth = $M;
$prevDate = $D - 1;
$response = array('day' => $prevDate, 'month' => $prevMonth, 'year' => $prevYear);
}
return $response;
}
return $numberOfDaysInYearMonth;
}
function MonthDays($M, $Y)
{
$response = array();
if ($Y >= 0 && $Y < 3000 && $M > 0 && $M <= 12) {
//echo('true <br/>');
$var = IsLeapYear($Y);
$numberOfFebruaryDays = 28;
if ($var == 'true') {
$numberOfFebruaryDays = 29;
}
$array = arrayInit($numberOfFebruaryDays);
$iterator = 0;
foreach ($array as $dayNr) {
$iterator++;
if ($iterator == $M) {
$response = $dayNr;
}
}
}
return $response;
}
print_r(MonthDays(11, 2014));
echo '<br/>';
print_r(MonthDays(2, 2016));
echo '<br/>';
print_r(MonthDays(2, 2014));
echo '<br/>';
print_r(MonthDays(10, 2014));
echo '<br/>';
