What are some common mistakes or misunderstandings when working with time calculations in PHP?

One common mistake when working with time calculations in PHP is not considering timezones. It's important to always set the correct timezone to ensure accurate calculations and avoid unexpected results. 

// Set the correct timezone before performing any time calculations
date_default_timezone_set('America/New_York');

// Example: Get the current timestamp and add 1 hour
$currentTimestamp = time();
$oneHourLater = $currentTimestamp + (1 * 60 * 60);

echo date('Y-m-d H:i:s', $oneHourLater);

Keywords

strtotime date timezones daylight saving time timestamp

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