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<?php echo '---begin---'; try { $result = @create_function('', 'return (return 1);'); } catch (\Exception $ex) { $result = $ex->getMessage(); } echo '---end---'; var_dump($result);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
---begin--- Fatal error: Uncaught Error: Call to undefined function create_function() in /in/q5cOp:5 Stack trace: #0 {main} thrown in /in/q5cOp on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
---begin--- Parse error: syntax error, unexpected 'return' (T_RETURN) in /in/q5cOp(5) : runtime-created function on line 1
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
---begin------end---bool(false)
Process exited with code 255.

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