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run code in 200+ php & hhvm versions
Bugs & Features
<?php $aaa = $bbb->getId() ?? 'NULL'; var_dump($aaa);
Output for 7.1.0 - 7.3.0rc3
Notice: Undefined variable: bbb in /in/Ngea3 on line 4 Fatal error: Uncaught Error: Call to a member function getId() on null in /in/Ngea3:4 Stack trace: #0 {main} thrown in /in/Ngea3 on line 4
Process exited with code 255.
Output for hhvm-3.22.0
Notice: Undefined variable: bbb in /in/Ngea3 on line -1 Fatal error: Uncaught exception 'BadMethodCallException' with message 'Call to a member function getId() on a non-object (null)' in /in/Ngea3:-1 Stack trace: #0 {main}
Process exited with code 255.
Output for hhvm-3.18.5 - 3.21.3
Notice: Undefined variable: bbb in /in/Ngea3 on line 4 Fatal error: Uncaught exception 'BadMethodCallException' with message 'Call to a member function getId() on a non-object (null)' in /in/Ngea3:4 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Parse error: syntax error, unexpected '?' in /in/Ngea3 on line 4
Process exited with code 255.