3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function f(&$array, $index, $value) { $v =& $array; foreach ($index as $i) { $v =& $v[$i]; } $v = $value; } $arr = [ 'a' => [ 'a1' => [ 'A11', 'A12', 'A13' ] ] ]; f($arr, ['a', 'a1', 2], 'A13 New'); var_dump($arr);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { ["a"]=> array(1) { ["a1"]=> array(3) { [0]=> string(3) "A11" [1]=> string(3) "A12" [2]=> string(7) "A13 New" } } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Nv9m3 on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/Nv9m3 on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Nv9m3 on line 11
Process exited with code 255.