3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = ['foo'=>1]; foreach($array as $k=>&$v) { $array['bar']=2; echo($v);//not echoed } var_dump($array);//modified
Output for 7.0.0 - 7.1.0
12array(2) { ["foo"]=> int(1) ["bar"]=> &int(2) }
Output for 5.4.0 - 5.6.28
1array(2) { ["foo"]=> &int(1) ["bar"]=> int(2) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/iuvMG on line 3
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/iuvMG on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/iuvMG on line 3
Process exited with code 255.