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<?php use Drupal\node\NodeInterface; if (123 instanceof NodeInterface) { print "Meh"; } else { print "Muh"; }
Output for 7.3.16 - 7.3.33, 7.4.3 - 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
Muh
Output for 5.6.0 - 5.6.24, 7.0.0 - 7.0.9, 7.2.29 - 7.2.33
Fatal error: instanceof expects an object instance, constant given in /in/NH5E2 on line 5
Process exited with code 255.

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