What are the best practices for handling timestamp calculations in PHP for a scheduled task like a database reset?

When handling timestamp calculations in PHP for a scheduled task like a database reset, it's important to consider timezones, daylight saving time changes, and potential server clock discrepancies. To ensure accurate calculations, use PHP's DateTime class along with the DateTimeZone class to set the timezone explicitly. Additionally, consider storing timestamps in UTC format to avoid timezone conversion issues. 

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

// Get the current timestamp in UTC
$currentTimestamp = time();

// Calculate the timestamp for the next reset (e.g., daily reset at 00:00 UTC)
$resetTime = strtotime('tomorrow', strtotime('midnight', $currentTimestamp));

// Convert the timestamp to a human-readable format
$resetDateTime = date('Y-m-d H:i:s', $resetTime);

echo "Next reset will occur at: $resetDateTime";

Keywords

timestamp calculations PHP scheduled task database reset best practices

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