How can PHP beginners ensure they are using the correct syntax and functions when rounding numbers?

PHP beginners can ensure they are using the correct syntax and functions when rounding numbers by referencing the official PHP documentation for the round() function. This function is commonly used to round a number to the nearest integer or to a specified number of decimal places. By understanding the parameters and return values of the round() function, beginners can confidently round numbers in their PHP code.

// Rounding a number to the nearest integer
$number = 10.6;
$roundedNumber = round($number);
echo $roundedNumber;

// Rounding a number to 2 decimal places
$number = 10.6789;
$roundedNumber = round($number, 2);
echo $roundedNumber;