math round php code example

Example 1: fix to 2 decimal places php

return number_format((float)$number, 2, '.', '');

Example 2: php round decimal

$value = 1.23456789;
$rounded_value = round($value, 2); 
// 2 is the precision here we will get 1.23

Example 3: 2 decimal round using php

// using round() function we can roundoff float values in php
$value = 58.24365;
round($value, 2);
//result 58.24

Example 4: php round to whole number

$int = 8.998988776636;
round($int) //Will always be 9

$int = 8.344473773737377474;
round($int) //will always be 8

Example 5: php round up

//round up to nearest integer
echo(ceil(0.60) . "<br>");
//result 1

Example 6: php round up

<?php
echo 'Rounding modes with 9.5' . PHP_EOL;
var_dump(round(9.5, 0, PHP_ROUND_HALF_UP));
var_dump(round(9.5, 0, PHP_ROUND_HALF_DOWN));
var_dump(round(9.5, 0, PHP_ROUND_HALF_EVEN));
var_dump(round(9.5, 0, PHP_ROUND_HALF_ODD));

echo 'Rounding modes with 8.5' . PHP_EOL;
var_dump(round(8.5, 0, PHP_ROUND_HALF_UP));
var_dump(round(8.5, 0, PHP_ROUND_HALF_DOWN));
var_dump(round(8.5, 0, PHP_ROUND_HALF_EVEN));
var_dump(round(8.5, 0, PHP_ROUND_HALF_ODD));
?>