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<?php function getCombinations($traits, $string = '', $i = 0) { if ($i >= count($traits)) return trim($string) . "\n"; else { foreach ($traits[$i] as $trait) return showCombinations($traits, "$string $trait", $i + 1); } } $traits = array ( array('Happy', 'Sad', 'Angry', 'Hopeful'), array('Outgoing', 'Introverted'), array('Tall', 'Short', 'Medium'), array('Handsome', 'Plain', 'Ugly') ); $combinations = getCombinations($traits); echo $combinations;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function showCombinations() in /in/dU23O:9 Stack trace: #0 /in/dU23O(21): getCombinations(Array) #1 {main} thrown in /in/dU23O on line 9
Process exited with code 255.

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