Online PHP editor | refs for oEl0J

<?php function findFamily($n) { $numbers = str_split("$n"); $combos = array(); $count = count($numbers); for($i = 0; $i < $count; $i++) { $baseNumber = $numbers[$i]; $tempArray = $numbers; unset($tempArray[$i]); $tempArray = array_values($tempArray); for($i = 0; $i < count($tempArray); $i++) { $combos[] = $baseNumber.$tempArray[$i].$tempArray[$i + 1]; $value = $tempArray[$i]; unset($tempArray[$i]); $numbers[] = $value; } } return $combos; } print_r(FindFamily(123));