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<?php class A { const NEW = 'NEW'; } print A::NEW;
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
NEW
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Parse error: syntax error, unexpected 'NEW' (T_NEW), expecting identifier (T_STRING) in /in/X0NZl on line 4
Process exited with code 255.

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