(PHP 4, PHP 5, PHP 7, PHP 8)
abs — Absolute value
$num): int|float
Returns the absolute value of num.
numThe numeric value to process
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).
| Version | Description |
|---|---|
| 8.0.0 |
num no longer accepts internal objects which support
numeric conversion.
|
Example #1 abs() example
<?php
var_dump(abs(-4.2));
var_dump(abs(5));
var_dump(abs(-5));
?>
The above example will output:
float(4.2) int(5) int(5)