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<?php class foo { } $d = \Closure::fromCallable(new foo());
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught TypeError: Failed to create closure from callable: no array or string given in /in/fJJNs:9 Stack trace: #0 /in/fJJNs(9): Closure::fromCallable(Object(foo)) #1 {main} thrown in /in/fJJNs on line 9
Process exited with code 255.

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