abs
(PHP 3, PHP 4, PHP 5)
abs -- Absolute value
Description
number
abs ( mixed number )
Returns the absolute value of number.
Parameters
number
The numeric value to process
Return Values
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).
Examples
Example 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)
?>
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