function PrevDate1($d)
{
$checkDate = CheckDate1($d);
if ($checkDate != 0) {
return $d;
} else {
if ($d->getMonth() == 1 && $d->getDay() == 1) {
echo '1';
$d->setDay(31);
$d->setMonth(12);
$d->setYear($d->getYear() - 1);
} elseif ($d->getDay() == 1 && $d->getMonth() != 1) {
echo '2';
$prevMonth = new TDate(10, $d->getMonth() - 1, $d->getYear());
$days = DaysInMonth($prevMonth);
$d->setMonth($d->getMonth() - 1);
$d->setDay($days['days']);
} else {
echo '3';
$d->setDay($d->getDay() - 1);
}
}
return $d;
}
<?php
/**
* Using the TDate type and the DaysInMonth function (see Param59 and Param60), write an integer function
* CheckDate(D) with a parameter D of TDate type. If the date D is a correct date then the function returns 0;
* if the date D contains an invalid month number or invalid day number for the correct month then the function
* returns 1 or 2 respectively. Output the return values of this function for five given dates.
*/
include 'helper.php';
echo '<div style="display: none;">';
require_once '59.php';
include '60.php';
echo '</div >';
use ParamPhpJavaScrit\TDate\TDate;
function CheckDate1($d)
{
$response = 0;
if ($d->getMonth() > 12) {
$response = 1;
}
$numberOfDays = DaysInMonth($d);
if ($d->getDay() > $numberOfDays['days']) {
$response = 2;
}
return $response;
}
$a = new TDate(29, 02, 2014);
$result = CheckDate1($a);
var_dump($result);