(PHP 4, PHP 5, PHP 7, PHP 8)
abs —Absolute value
numThe numeric value to process
The absolute value ofnum. If the argumentnum is of typefloat, the return type is alsofloat, otherwise it isint (asfloat usually has a bigger value range thanint).
| Version | Description |
|---|---|
| 8.0.0 | num no longer accepts internal objects which support numeric conversion. |
Example #1abs() 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)