3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function &random_value(&$array, $default=null) { $k = 0; // mt_rand(0, count($array) - 1); if (isset($array[$k])) { return $array[$k]; } else { return $default; } } $companies = array(); $companies[] = array("name" => "Acme Co", "employees"=> array( "John", "Jane" )); $companies[] = array("name" => "Inotech", "employees"=> array( "Bill", "Michael" )); $x = &random_value($companies); $x["employees"][] = "Donald"; var_dump($x, $companies);
based on K0gPF
Output for 5.3.18 - 7.2.0
array(2) { ["name"]=> string(7) "Acme Co" ["employees"]=> array(3) { [0]=> string(4) "John" [1]=> string(4) "Jane" [2]=> string(6) "Donald" } } array(2) { [0]=> &array(2) { ["name"]=> string(7) "Acme Co" ["employees"]=> array(3) { [0]=> string(4) "John" [1]=> string(4) "Jane" [2]=> string(6) "Donald" } } [1]=> array(2) { ["name"]=> string(7) "Inotech" ["employees"]=> array(2) { [0]=> string(4) "Bill" [1]=> string(7) "Michael" } } }