Online PHP editor | refs for JVfmZ

<?php function search($input) { $result = $input; for($a=0;$a<count($input);$a++) { for($b=0;$b<count($input);$a++) { $d=""; for($c=1;$c<$b;$c++) { print $input[$a+$c]; } $result[]= $d; } } foreach($input as $a) foreach($input as $b) $result[]= $a . $b; return array_filter(array_unique($result)); } print json_encode(search(["a", "b"])) . "\n"; print json_encode(search(["a", "b", "c"]));