In what ways can PHP developers ensure that their code accounts for different timezones and daylight saving time changes?

When working with timezones and daylight saving time changes in PHP, developers can ensure their code accounts for these variations by using the DateTime class along with setting the appropriate timezone and considering daylight saving time adjustments. By utilizing these features, developers can accurately handle time-related operations across different timezones and adjust for daylight saving time changes. 

// Set the default timezone to UTC
date_default_timezone_set('UTC');

// Create a DateTime object with the desired timezone
$date = new DateTime('now', new DateTimeZone('America/New_York'));

// Adjust for daylight saving time changes
$date->setTimezone(new DateTimeZone('UTC'));

// Output the adjusted time
echo $date->format('Y-m-d H:i:s');

Keywords

DateTime timezone date_default_timezone_set daylight saving time strtotime

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