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<?php //define('HELLO', 'hello'); echo HELLO;
Output for 8.0.0 - 8.0.12, 8.1rc1 - rc3
Fatal error: Uncaught Error: Undefined constant "HELLO" in /in/LOvdj:4 Stack trace: #0 {main} thrown in /in/LOvdj on line 4
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25
Warning: Use of undefined constant HELLO - assumed 'HELLO' (this will throw an Error in a future version of PHP) in /in/LOvdj on line 4 HELLO
Output for 7.1.0 - 7.1.33
Notice: Use of undefined constant HELLO - assumed 'HELLO' in /in/LOvdj on line 4 HELLO

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45.82 ms | 462 KiB | 5 Q