What are some potential pitfalls to be aware of when using DateInterval and DatePeriod objects in PHP?

One potential pitfall when using DateInterval and DatePeriod objects in PHP is not considering the timezone when creating or manipulating dates. To avoid issues related to timezones, always set the timezone explicitly when working with dates. 

// Set the timezone explicitly when creating DateInterval and DatePeriod objects
$date1 = new DateTime('2022-01-01', new DateTimeZone('UTC'));
$date2 = new DateTime('2022-12-31', new DateTimeZone('UTC'));

$interval = new DateInterval('P1D');
$period = new DatePeriod($date1, $interval, $date2);

foreach ($period as $date) {
    echo $date->format('Y-m-d') . PHP_EOL;
}

Keywords

DateInterval DatePeriod PHP pitfalls errors

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