gmp(3) [php man page]

GMP(3)									 1								    GMP(3)

The GMP class

INTRODUCTION

	A GMP number. These objects support overloaded arithmetic, bitwise and comparison operators.

       Note

	       No object oriented interface is provided to manipulate GMP objects. Please use the procedural GMP API.

       GMP

       GMPSerializable

PHP Documentation Group 														    GMP(3)

GMP_HAMDIST(3)								 1							    GMP_HAMDIST(3)

gmp_hamdist - Hamming distance

SYNOPSIS

       int gmp_hamdist (GMP  $a, GMP  $b)

DESCRIPTION

	Returns the hamming distance between $a and $b. Both operands should be non-negative.

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. It should be positive.

	      o $b
		-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. It should be positive.

RETURN VALUES

	A GMP number resource in PHP 5.5 and earlier, or a GMP object in PHP 5.6 and later.

EXAMPLES

       Example #1

	      gmp_hamdist(3) example

	      <?php
	      $ham1 = gmp_init("1001010011", 2);
	      $ham2 = gmp_init("1011111100", 2);
	      echo gmp_hamdist($ham1, $ham2) . "
";

	      /* hamdist is equivalent to: */
	      echo gmp_popcount(gmp_xor($ham1, $ham2)) . "
";
	      ?>

	      The above example will output:

	      6
	      6

SEE ALSO

       gmp_popcount(3), gmp_xor(3).

PHP Documentation Group 													    GMP_HAMDIST(3)