abs
PHP function
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(PHP 4, PHP 5, PHP 7, PHP 8)
Absolute value
Description
abs(int|float $num): int|float
Returns the absolute value of num.
Parameters
numThe 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
abs() example
php
<?php
var_dump(abs(-4.2));
var_dump(abs(5));
var_dump(abs(-5));
?>The above example will output:
output
float(4.2)
int(5)
int(5)