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<?php
function gcd($a, $b) {
    if ($b == 0) return $a;
    return gcd($b, $a % $b);
}
 
echo(gcd(12,20));

Success #stdin #stdout 0.02s 26056KB

stdin

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Standard input is empty

stdout

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language:

PHP (php 7.3.5)

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public

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