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

1. Code:

<?php 
    function roundToNearest($number){
		$n = (int)$number;
		$frac = $number - $n;
		return ($frac >= 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