(PHP 4, PHP 5, PHP 7, PHP 8)
abs — Absolute value
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).
  
| Версія | Опис | 
|---|---|
| 8.0.0 | numno longer accepts internal objects which support
       numeric conversion. | 
Приклад #1 abs() example
<?php
var_dump(abs(-4.2));
var_dump(abs(5));
var_dump(abs(-5));
?>Поданий вище приклад виведе:
float(4.2) int(5) int(5)
