(PHP 4 >= 4.0.4, PHP 5)

gmp_gcd -- Calculate GCD


resource gmp_gcd ( resource a, resource b)

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

Example 1. gmp_gcd() example

= gmp_gcd("12", "21");
gmp_strval($gcd) . "\n";

The printout of the above program will be:


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