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<?php var_dump(method_exists(mysqli, "mysqli")); // Evaluates to true var_dump(method_exists(mysqli, "__construct")); // Evaluates to false
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
Fatal error: Uncaught Error: Undefined constant "mysqli" in /in/0IuNe:2 Stack trace: #0 {main} thrown in /in/0IuNe on line 2
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant mysqli - assumed 'mysqli' (this will throw an Error in a future version of PHP) in /in/0IuNe on line 2 bool(false) Warning: Use of undefined constant mysqli - assumed 'mysqli' (this will throw an Error in a future version of PHP) in /in/0IuNe on line 3 bool(false)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Use of undefined constant mysqli - assumed 'mysqli' in /in/0IuNe on line 2 bool(false) Notice: Use of undefined constant mysqli - assumed 'mysqli' in /in/0IuNe on line 3 bool(false)
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/0IuNe on line 3
Process exited with code 255.

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