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gmp_gcd()

gmp_gcd - Calculate GCD

Syntax

resource gmp_gcd (resource $a, resource $b)

Arguments

  • a - It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.
  • b - It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.

Description

Calculate greatest common divisor of a and b. The result is always positive even if either of, or both, input operands are negative.

Version

PHP 4.0.4, 5

Return value

A positive GMP number that divides into both a and b.