php man page for gmp_abs

GMP_ABS(3)								 1								GMP_ABS(3)

gmp_abs - Absolute value

SYNOPSIS
       GMP gmp_abs (GMP  $a)

DESCRIPTION
	Get the absolute value of a number.

PARAMETERS
	      o $a
		-Either  a  GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is
		possible to convert the latter to a number.

RETURN VALUES
	Returns the absolute value of $a, as a GMP number.

EXAMPLES
       Example #1

	      gmp_abs(3) example

	      <?php
	      $abs1 = gmp_abs("274982683358");
	      $abs2 = gmp_abs("-274982683358");

	      echo gmp_strval($abs1) . "
";
	      echo gmp_strval($abs2) . "
";
	      ?>

	      The above example will output:

	      274982683358
	      274982683358

PHP Documentation Group 														GMP_ABS(3)