(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_gcd — Calculate GCD
Calculate greatest common divisor of num1 and num2. The result is always positive even if either of, or both, input operands are negative.
A positive GMP number that divides into both num1 and num2.
Beispiel #1 gmp_gcd() example
<?php
$gcd = gmp_gcd("12", "21");
echo gmp_strval($gcd) . "\n";
?>Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
3