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<?php $words=array("Casa", "perro", "abad"); print_r(getAllWordCombos($words)); function getAllWordCombos($words) { if (count($words)<=1) return array($words); else { $ret=array(); foreach($words as $i=>$firstword) { $cwords=array_slice($words,0); array_splice($cwords,$i); $combos=getAllWordCombos($cwords); $head=array($firstword); foreach ($combos as $combo) { $ret[]=array_merge($head,$combo); } } return $ret; } }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => Array ( [0] => Casa ) [1] => Array ( [0] => perro [1] => Casa ) [2] => Array ( [0] => abad [1] => Casa ) [3] => Array ( [0] => abad [1] => perro [2] => Casa ) )
preferences:
235.23 ms | 406 KiB | 460 Q