Comparasion Date & count date

comparasion date

<?php
$paymentDate = date('Y-m-d');
$paymentDate=date('Y-m-d', strtotime($paymentDate));
$contractDateBegin = date('Y-m-d', strtotime("2020-08-03"));
$contractDateEnd = date('Y-m-d', strtotime("2020-08-03"));

if (($paymentDate >= $contractDateBegin) && ($paymentDate <= $contractDateEnd)){
    echo "is between";
}else{
    echo "NO GO!";
}
?>

// count date
<?php
$startTimeStamp = strtotime("2020-08-01");
$endTimeStamp = strtotime("2020-08-01");

$timeDiff = abs($endTimeStamp - $startTimeStamp);

$numberDays = $timeDiff/86400;  // 86400 seconds in one day

// and you might want to convert to integer
$numberDays = intval($numberDays);
 if($numberDays > 0){
    echo 'lebih dari 0';
 }else{
   echo $numberDays.' masih 0';
 }
?>