PHP/Math/abs
abs( ) function returns the absolute value of the parameter
<source lang="html4strict">
<?
abs(50); // 50 abs(-12); // 12
?>
</source>
Calling the Built-in abs() Function
<source lang="html4strict">
<html> <head><title>Calling the Built-in abs() function</title></head> <body>
<?php
$num = -321; $newnum = abs( $num ); print $newnum;
?>
</body> </html>
</source>
You can either send a floating-point number or an integer to abs( )
<source lang="html4strict">
<?
abs(50.1); // 50.1 abs(-12.5); // 12.5
?>
</source>
