abs

(PHP 3, PHP 4, PHP 5)

abs -- Absolute value

Beskrivelse

number abs ( mixed number )

Returns the absolute value of number.

Parameterliste

number

The numeric value to process

Returneringsværdier

The absoulte 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).

Eksempler

Eksempel 1. abs() example

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