What are the potential pitfalls of using PHP to calculate date and time differences from MySQL data?

One potential pitfall of using PHP to calculate date and time differences from MySQL data is the mismatch in timezones between the server and the MySQL database, which can lead to inaccurate results. To solve this issue, it is recommended to set the timezone in both PHP and MySQL to ensure consistency in date and time calculations. 

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

// Set the timezone in MySQL
$mysqli = new mysqli('localhost', 'username', 'password', 'database');
$mysqli->query("SET time_zone = 'America/New_York'");

Keywords

PHP MySQL date calculations time differences timezone handling

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