(PHP 4 >= 4.0.4, PHP 5)
gmp_gcd — Calculate GCD
$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.
A positive GMP number that divides into both
a and b.
Beispiel #1 gmp_gcd() example
<?php
$gcd = gmp_gcd("12", "21");
echo gmp_strval($gcd) . "\n";
?>
Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
3