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run code in 150+ php & hhvm versions
Bugs & Features
<?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); $countTempArray = count($tempArray); for($i = 0; $i < $countTempArray; $i++) { $combos[] = $baseNumber.$tempArray[$i].$tempArray[$i + 1]; $value = $tempArray[$i]; unset($tempArray[$i]); $tempArray[] = $value; } } return $combos; } print_r(FindFamily(123));
based on 7J0rT
Output for 5.0.0 - 7.1.0
Array ( [0] => 123 [1] => 132 )
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: str_split() in /in/hFs0W on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: str_split() in /in/hFs0W on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: str_split() in /in/hFs0W on line 3