What are the potential pitfalls of using timestamps in PHP for time calculations and how can they be avoided?

One potential pitfall of using timestamps in PHP for time calculations is not accounting for timezones, which can lead to inaccurate results. To avoid this issue, always set the timezone explicitly when working with timestamps in PHP. 

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

// Example of using timestamps with timezone set
$timestamp = strtotime('2022-01-01 12:00:00');
echo date('Y-m-d H:i:s', $timestamp);

Keywords

timestamps PHP time calculations pitfalls avoidance techniques

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