3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = ['foo', 'bar', 'hello', 'world']; $obj = new stdClass; $obj->{$array['foo']}; print_r($obj);
Output for 7.1.0 - 7.2.0
Notice: Undefined index: foo in /in/67kkN on line 7 Notice: Undefined property: stdClass::$ in /in/67kkN on line 7 stdClass Object ( )
Output for 7.0.0 - 7.0.20
Notice: Undefined index: foo in /in/67kkN on line 7 Fatal error: Uncaught Error: Cannot access empty property in /in/67kkN:7 Stack trace: #0 {main} thrown in /in/67kkN on line 7
Process exited with code 255.
Output for 5.4.9 - 5.6.28
Notice: Undefined index: foo in /in/67kkN on line 7 Fatal error: Cannot access empty property in /in/67kkN on line 7
Process exited with code 255.
Output for 5.3.19 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/67kkN on line 3
Process exited with code 255.