How can PHP handle "Overflow" issues when adding TIME values that may exceed 24 hours?

When adding TIME values that may exceed 24 hours in PHP, the overflow issue can be handled by converting the TIME values to seconds, performing the addition, and then converting the result back to a TIME format. This ensures that the total time is accurately calculated even if it exceeds 24 hours. 

// Convert TIME values to seconds
$time1 = strtotime('08:00:00');
$time2 = strtotime('18:00:00');

// Add the TIME values
$totalSeconds = $time1 + $time2;

// Convert the total seconds back to TIME format
$totalTime = gmdate('H:i:s', $totalSeconds);

echo "Total Time: " . $totalTime;

Keywords

PHP Overflow Time values DateInterval DateTimeImmutable

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