How to implement rounding and division in php

In PHP, you can use the ceil() function to achieve rounding and division. The function of this function is to round up to the nearest integer. Its usage syntax is "ceil(x)", and the parameter x represents a need A number that is rounded up.

The operating environment of this article: Windows 7 system, PHP version 7.1, Dell G3 computer.

How to achieve integer division up in php?

ceil() function rounds up to the nearest integer.

Syntax

ceil(x)

Parameters

x Required. A number.

Explanation

Returns the next integer that is not less than x. If x has a decimal part, it will be rounded up by one. The type returned by ceil() is still float because the range of float values ​​is usually larger than that of integer.

Example

In this example, we will apply the ceil() function to different values:

<?php
echo(ceil(0.60);
echo(ceil(0.40);
echo(ceil(5);
echo(ceil(5.1);
echo(ceil(-5.1);
echo(ceil(-5.9));
?>

Output:

1
1
5
6
-5
-5

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