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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_map('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));
based on vInHK
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: array_values() expects parameter 1 to be array, string given in /in/T33a4 on line 10 Warning: array_values() expects parameter 1 to be array, string given in /in/T33a4 on line 10 Notice: Undefined offset: 0 in /in/T33a4 on line 12 Notice: Undefined offset: 0 in /in/T33a4 on line 13 Array ( [0] => 1 [1] => 1 )
Output for hhvm-3.12.0
Warning: array_values() expects parameter 1 to be an array or collection Warning: array_values() expects parameter 1 to be an array or collection Notice: Undefined index: 0 in /in/T33a4 on line 12 Notice: Undefined index: 0 in /in/T33a4 on line 13 Array ( [0] => 1 [1] => 1 )
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.2.17
Warning: array_values(): The argument should be an array in /in/T33a4 on line 10 Warning: array_values(): The argument should be an array in /in/T33a4 on line 10 Notice: Undefined offset: 0 in /in/T33a4 on line 12 Notice: Undefined offset: 0 in /in/T33a4 on line 13 Array ( [0] => 1 [1] => 1 )
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: str_split() in /in/T33a4 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/T33a4 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/T33a4 on line 3