How to use php round function

PHP round() function is used to round floating point numbers. The round syntax is round(X,prec), the parameter X represents the number to be processed, and prec represents the number of digits after the decimal point.

#How to use the round() function?

Function: The function of round() function is to round floating point numbers

Syntax:

round(X,prec)

Parameters:

X means to do The processed number

prec represents the number of digits after the specified decimal point

Description: Returns the result of rounding the parameter 0 is the default value.

php round() function usage example 1:

<?php
$i = 1.56;
$i = round($i,2);
$j = 5.25;
$j = round($j,-1);
$k = -5.35;
$k = round($k);
echo $i."*****".$j."*****".$k;
?>

Output:

1.56*****10*****-5

php round() function usage example 2:

<?php
$i = -5.6;
$j = round($i);
echo $j;
?>

Output:

-6

This article is an introduction to the PHP round function. I hope it will be helpful to friends in need!

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