What are common pitfalls when calculating date and time differences in PHP?

Common pitfalls when calculating date and time differences in PHP include not accounting for timezones, not using the correct date format, and not considering daylight saving time. To solve these issues, always set the timezone, use the correct date format, and consider daylight saving time when calculating differences. 

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

// Get current date and time
$now = new DateTime();

// Get another date
$anotherDate = new DateTime('2022-01-01 12:00:00');

// Calculate the difference
$diff = $now->diff($anotherDate);

// Output the difference
echo $diff->format('%Y years, %m months, %d days, %h hours, %i minutes, %s seconds');

Keywords

DateTime date_diff timezone daylight saving time strtotime

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