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run code in 300+ PHP versions simultaneously
<?php (new aa)->foo(); class aa { function foo() {} } (new bb)->foo(); interface b {} class bb implements b { function foo() {} } ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.21, 8.3.0 - 8.3.9
Fatal error: Uncaught Error: Class "bb" not found in /in/amemp:5 Stack trace: #0 {main} thrown in /in/amemp on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Class 'bb' not found in /in/amemp:5 Stack trace: #0 {main} thrown in /in/amemp on line 5
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Fatal error: Class 'bb' not found in /in/amemp on line 5
Process exited with code 255.

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