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<?php define('Ha', false); define('Ha', true); var_dump(hA);
Output for 4.3.0 - 4.3.6, 4.3.9 - 4.4.9, 5.0.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Constant Ha already defined in /in/1UL1X on line 3 Notice: Use of undefined constant hA - assumed 'hA' in /in/1UL1X on line 4 string(2) "hA"
Output for 4.3.7 - 4.3.8, 5.0.0
Notice: Constant already defined in /in/1UL1X on line 3 Notice: Use of undefined constant hA - assumed 'hA' in /in/1UL1X on line 4 string(2) "hA"