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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 5.4.0 - 7.1.0
array(2) { ["Superhero"]=> array(1) { ["Hero"]=> string(4) "Hero" } ["Batman"]=> array(1) { ["Hero"]=> string(4) "Hero" } }
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/0QnB1 on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[', expecting ')' in /in/0QnB1 on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/0QnB1 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/0QnB1 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/0QnB1 on line 3
Process exited with code 255.