How to round on php

"Learn how to use the round() function in PHP to round numbers up or down, with an example demonstrating the syntax."

Rounding in PHP

Rounding numbers in PHP is a very useful tool, whether you want to round a number to the nearest whole number, or round a number to a certain decimal point. There are a few different ways to accomplish this task in PHP.

The first way to round a number is by using the round() function. This function takes two parameters. The first parameter is the number you want to round and the second parameter is how many decimal points you want to round it to. For example, if we wanted to round the number 4.567 to the nearest whole number, we could do the following:

$roundedNumber = round(4.567);
// $roundedNumber will now be 5

If we wanted to round the same number to two decimal points, we could do the following:

$roundedNumber = round(4.567, 2);
// $roundedNumber will now be 4.57

The second way to round a number is by using the ceil() or floor() function. ceil() will round a number up to the nearest whole number, while floor() will round a number down to the nearest whole number. For example, if we wanted to round 4.567 up to the nearest whole number, we could do the following:

$roundedNumber = ceil(4.567);
// $roundedNumber will now be 5

If we wanted to round the same number down to the nearest whole number, we could do the following:

$roundedNumber = floor(4.567);
// $roundedNumber will now be 4

These two functions can also be used to round a number to a certain decimal point. For example, if we wanted to round 4.567 up to two decimal points, we could do the following:

$roundedNumber = ceil(4.567, 2);
// $roundedNumber will now be 4.57

These are just a few of the ways you can round numbers in PHP. Depending on the situation, one of these methods may be more suitable than the others. Rounding numbers in PHP can be a very helpful tool, so be sure to learn how to use them!