How can PHP functions like number_format be utilized to improve the accuracy of time calculations in PHP?

When dealing with time calculations in PHP, floating point precision can lead to inaccuracies in the results. To improve accuracy, PHP functions like number_format can be utilized to round the results to a specific number of decimal places. 

// Calculate the time difference in seconds
$start_time = microtime(true);

// Perform time-consuming operations

$end_time = microtime(true);
$time_diff = $end_time - $start_time;

// Round the time difference to 2 decimal places
$rounded_time_diff = number_format($time_diff, 2);

echo "Time difference: " . $rounded_time_diff . " seconds";

Keywords

PHP functions number_format time calculations accuracy utilization

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