get max date from array and add days to current date

 <?php

$dateRanges = array(

    array('from' => '2023-04-01 03:00 PM', 'to' => '2023-04-05 03:00 PM'),

    array('from' => '2023-04-10 03:00 PM', 'to' => '2023-04-15 03:00 PM'),

    array('from' => '2023-04-20 03:00 PM', 'to' => '2024-04-22 03:00 PM')

    // Add more date ranges as needed

);

$maxDate = null;

foreach ($dateRanges as $range) {

    $toDate = strtotime($range['to']);

    if ($maxDate === null || $toDate > $maxDate) {

        $maxDate = $toDate;

    }

}

$maxDateFormatted = date('Y-m-d H:i A', $maxDate);

echo "Maximum Date: " . $maxDateFormatted . "<br>";

$currentDate = time();

$diff = date_diff(date_create(date('Y-m-d', $currentDate)), date_create(date('Y-m-d', $maxDate)));

$daysUntilMaxDate = $diff->days;

echo "Days until maximum date: " . $daysUntilMaxDate;

?>