What are common mistakes that can lead to discrepancies in timestamps when using DateTime objects in PHP?

Common mistakes that can lead to discrepancies in timestamps when using DateTime objects in PHP include not setting the correct timezone, using the wrong format when creating or formatting dates, and not handling daylight saving time properly. To avoid these issues, always set the timezone explicitly, use the correct format when working with dates, and consider daylight saving time adjustments when necessary. 

// Set the timezone explicitly
date_default_timezone_set('America/New_York');

// Create a DateTime object with the correct format
$date = DateTime::createFromFormat('Y-m-d H:i:s', '2022-01-01 12:00:00');

// Format the date with the correct timezone
$date->setTimezone(new DateTimeZone('UTC'));
echo $date->format('Y-m-d H:i:s');

Keywords

DateTime timestamps discrepancies mistakes PHP

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