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<?php interface Hero {} abstract class Superhero implements Hero {} class Batman extends Superhero {} var_dump([ "Superhero" => class_implements('Superhero'), "Batman" => class_implements('Batman') ]);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { ["Superhero"]=> array(1) { ["Hero"]=> string(4) "Hero" } ["Batman"]=> array(1) { ["Hero"]=> string(4) "Hero" } }

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