Create datetime range with a date

php-datetime-range.php

<?php
$date = "2016-01-01";
$outputFormat = "d/m/Y H:i:s";

$startTime = strtotime(date($date));
$endTime = strtotime(sprintf("%s 23:59:59", $date));
$dateTimes = [];

while ($startTime < $endTime) {
    $startTime += 60;
    $dateTimes[] = date($outputFormat, $startTime);
}

echo "<pre>";
var_dump($dateTimes);
echo "</pre>";