How can the PHP functions round() and sprintf() be utilized to format numbers?

To format numbers in PHP, the round() function can be used to round a number to a specified number of decimal places, while the sprintf() function can be used to format a number with a specified number of decimal places and additional formatting options. Example: 

$number = 123.456789;

// Round the number to 2 decimal places
$roundedNumber = round($number, 2);

// Format the rounded number with 2 decimal places using sprintf
$formattedNumber = sprintf("%.2f", $roundedNumber);

echo $formattedNumber; // Output: 123.46

Keywords

PHP round() sprintf() format numbers utilization

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