What are the best practices for storing and retrieving time data in PHP for quiz applications?

When storing time data in PHP for quiz applications, it is best to use the Unix timestamp format to ensure consistency and easy manipulation of time values. To retrieve and display time data, you can use the date() function along with the timestamp value to format it as needed. 

// Storing time data as Unix timestamp
$time = time();

// Retrieving and displaying time data
echo date('Y-m-d H:i:s', $time);

Keywords

datetime timestamp timezone strtotime date_default_timezone_set

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