abs

Absolute value

&reftitle.description; `number` `abs` `mixed` `number`

Returns the absolute value of `number`.

&reftitle.parameters;

`number`

- The numeric value to process

&reftitle.returnvalues;

The absolute value of `number`. If the argument `number` is of type `float`, the return type is also `float`, otherwise it is `integer` (as `float` usually has a bigger value range than `integer`).

&reftitle.examples;

### `abs` example

    <?php
    $abs = abs(-4.2); // $abs = 4.2; (double/float)
    $abs2 = abs(5);   // $abs2 = 5; (integer)
    $abs3 = abs(-5);  // $abs3 = 5; (integer)
    ?>

&reftitle.seealso;

- `gmp_abs`
- `gmp_sign`