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<?php error_reporting(-1); define('Lol', 1, true); define('LOL', 2); var_dump(Lol, LOL, lol, constant('Lol'), constant('LOL'), constant('lol'));
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
Warning: define(): Argument #3 ($case_insensitive) is ignored since declaration of case-insensitive constants is no longer supported in /in/T6EBq on line 4 Fatal error: Uncaught Error: Undefined constant "lol" in /in/T6EBq:7 Stack trace: #0 {main} thrown in /in/T6EBq on line 7
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Deprecated: define(): Declaration of case-insensitive constants is deprecated in /in/T6EBq on line 4 Deprecated: Case-insensitive constants are deprecated. The correct casing for this constant is "Lol" in /in/T6EBq on line 7 Deprecated: Case-insensitive constants are deprecated. The correct casing for this constant is "Lol" in /in/T6EBq on line 7 int(1) int(2) int(1) int(1) int(2) int(1)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 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, 7.2.0 - 7.2.33
int(1) int(2) int(1) int(1) int(2) int(1)

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