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<?php function primeSum($n, $k) { $primeNumbers = []; for ($i = 2; $i <= $n; $i++) { $found = true; for ($j = 2; $j < $i; $j++) { if ($i % $j === 0) { $found = false; break; } } if ($found) { $primeNumbers[$i] = 1; } } var_dump($primeNumbers); } primeSum(20, 10);
Output for git.master, git.master_jit, rfc.property-hooks
array(8) { [2]=> int(1) [3]=> int(1) [5]=> int(1) [7]=> int(1) [11]=> int(1) [13]=> int(1) [17]=> int(1) [19]=> int(1) }

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