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<?php class A { const TESTARRAY = ['TESTVALUE1', 'TESTVALUE2',]; public static function testConstant() { foreach (TESTARRAY as $value) { echo $value; } } } A::testConstant();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Fatal error: Uncaught Error: Undefined constant "TESTARRAY" in /in/2vvJv:9 Stack trace: #0 /in/2vvJv(15): A::testConstant() #1 {main} thrown in /in/2vvJv on line 9
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant TESTARRAY - assumed 'TESTARRAY' (this will throw an Error in a future version of PHP) in /in/2vvJv on line 9 Warning: Invalid argument supplied for foreach() in /in/2vvJv on line 9

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