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<?php function generatePrimes($n) { $primes = [2]; for ($i = 3; $i < $n; $i += 2) { foreach ($primes as $prime) { if ($i % $prime == 0) continue 2; } $primes[] = $i; } return $primes; } var_dump(generatePrimes(5));
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> int(2) [1]=> int(3) }

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