3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['foo', 'bar', 'hello', 'world']; $obj = new stdClass; $obj->{$array['foo']}; print_r($obj);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined array key "foo" in /in/67kkN on line 7 Warning: Undefined property: stdClass::$ in /in/67kkN on line 7 stdClass Object ( )
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: foo in /in/67kkN on line 7 Notice: Undefined property: stdClass::$ in /in/67kkN on line 7 stdClass Object ( )
Output for 7.3.32 - 7.3.33
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 5.5.24 - 5.5.35, 5.6.8 - 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.
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