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<?php namespace foo; const null = true; var_dump(null);
Output for 5.3.0 - 5.3.20, 5.4.0 - 5.4.10
Fatal error: Cannot redeclare constant 'null' in iRPWM on line 5
Process exited with code 255.
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163.77 ms | 1399 KiB | 39 Q