abs
(PHP 4, PHP 5, PHP 7, PHP 8)
abs — Absolute value
Description
abs(int|float
$num): int|float
Returns the absolute value of num.
Parameters
-
num -
The numeric value to process
Return Values
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).
Changelog
| Version | Description |
|---|---|
| 8.0.0 |
num no longer accepts internal objects which support
numeric conversion.
|
Examples
Example #1 abs() example
<?php
echo abs(-4.2); // 4.2 (double/float)
echo abs(5); // 5 (integer)
echo abs(-5); // 5 (integer)
?>
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