Online PHP editor | refs for 56HsL

<?php $digits = array(9,8,7,6,5,4,3,2,1); $primes = array(2,3,5,7,11); function simplify(Int $num, Int $denom, Array $primes){ //going from high primes to low primes foreach(array_reverse($primes) as $prime) { if (($num % $prime == 0) && ($denom % $prime == 0)) { return [$num / $prime,$denom / $prime]; } } return [$num,$denom]; } echo "simplify 10:4 = " . implode(':',simplify(10,4,$primes)); echo "simplify 121:22 = " . implode(':',simplify(121,22,$primes)); echo "simplify 5:5 = " . implode(':',simplify(5,5,$primes));