3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array(1, 2, 3); doFoo($arr); print_r($arr); function doFoo($array) { foreach ($array as &$foo) { $foo += 1; } }
Output for 5.0.0 - 7.1.0
Array ( [0] => 1 [1] => 2 [2] => 3 )
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/Vu4YF on line 8
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 '$' in /in/Vu4YF on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/Vu4YF on line 8
Process exited with code 255.