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<?php function variations($digits, $prefix = '') { for ($i = 1; $i <= 3; $i++) { $variation = $prefix . $i; if ($digits > 1) { variations($digits - 1, $variation); } else { echo $variation . PHP_EOL; } } } variations(1);
Output for git.master, git.master_jit, rfc.property-hooks
1 2 3

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