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<? class Dog { } class Poodle extends Dog { } $poppy = new Poodle( ); print (int)($poppy instanceof Poodle); print "\n"; print (int)is_subclass_of($poppy, "Poodle"); ?>
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
<? class Dog { } class Poodle extends Dog { } $poppy = new Poodle( ); print (int)($poppy instanceof Poodle); print "\n"; print (int)is_subclass_of($poppy, "Poodle"); ?>
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.3.32 - 7.3.33, 7.4.33, 8.0.13
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