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ceil

Description

The ceil of Math for PHP rounds fractions up.

Syntax

ceil(
    int|float $num
): float

Parameters

num

The value to round

Return

Returns num rounded up to the next highest integer. The return value of ceil() is still of type float as the value range of float is usually bigger than that of int.

Examples

1 · num · negative · high

<?

$num = -1.9999;

$return = ceil($num);

echo $return;

-1

2 · num · negative · low

<?

$num = -1.0001;

$return = ceil($num);

echo $return;

-1

3 · num · non-negative · low

<?

$num = 1.0001;

$return = ceil($num);

echo $return;

2

4 · num · non-negative · high

<?

$num = 1.9999;

$return = ceil($num);

echo $return;

2