How to round to nearest number in php?

In this post, this function will round the number to nearest in php.

1. Code:

= 0.5) ? $n + 1 : $n;
	}
    $number = 8.5;
    echo roundToNearest($number);
	$number = 8.1;
    echo roundToNearest($number);
    ?>

2. Example:

Input:

input number: 8.6
input number: 8.1

Output:

Output: 9
Output: 8
PHP