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abs

Description

The abs of Math for PHP absolute value.

Syntax

abs(
    int|float $num
): int|float

Parameters

num

The numeric value to process

Return

The absolute value of num.

If the argument num is of type float, the return type is also float, otherwise it is int (as float usually has a bigger value range than int).

Examples

1 · num · int · negative

<?

$num = -1234;

$return = abs($num);

var_dump($return);

int(1234)

2 · num · int · positive

<?

$num = 1234;

$return = abs($num);

var_dump($return);

int(1234)

3 · num · float · negative

<?

$num = -12.34;

$return = abs($num);

var_dump($return);

float(12.34)

4 · num · float · positive

<?

$num = 12.34;

$return = abs($num);

var_dump($return);

float(12.34)