Round()

Today, we will discuss the round() function in PHP. This function is used to round a floating-point number to a specified precision.

What is the round() Function?

The round() function in PHP is a built-in function that is used to round a floating-point number to a specified precision. This function takes two arguments: the number to be rounded and the number of decimal places to which the number should be rounded. The function returns the rounded number.

How to Use the round() Function

Using the round() function in PHP is very simple. Here is an example of how to use the function:

<?php
// Round a number to a specified precision using the round() function
$result = round(3.14159, 2);

// Output the result
echo $result;
?>

In this example, we call the round() function to round the number 3.14159 to 2 decimal places. We then store the result in a variable and output it to the screen.

Conclusion

The round() function in PHP is a useful tool for any PHP developer working with floating-point numbers. By using this function, you can easily round a number to a specified precision, which can be useful in a variety of applications. We hope that this guide has been helpful in understanding how to use the round() function in your PHP code.