3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function hello($data) { foreach ($data as &$item) { $item['hello'] = 'world'; } return $data; } $data = hello(array('lets', 'go', 'to', 'space'));
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: Illegal string offset 'hello' in /in/IZjrM on line 6 Warning: Illegal string offset 'hello' in /in/IZjrM on line 6 Warning: Illegal string offset 'hello' in /in/IZjrM on line 6 Warning: Illegal string offset 'hello' in /in/IZjrM on line 6
Output for 5.0.0 - 5.3.29, hhvm-3.10.0 - 3.12.0
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/IZjrM on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/IZjrM on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/IZjrM on line 5
Process exited with code 255.