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<?php define('A', [1, 2, 3]); var_dump(A);
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: Constants may only evaluate to scalar values in /in/AGAGf on line 3 Notice: Use of undefined constant A - assumed 'A' in /in/AGAGf on line 4 string(1) "A"

preferences:
255.18 ms | 402 KiB | 381 Q