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run code in 200+ php & hhvm versions
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<?php class Dog { private $id; } function createDog(): Dog { return new Dog(); }
based on ajteR
Output for 7.0.0 - 7.2.0
Output for 5.3.20 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/S7jF2 on line 7
Process exited with code 255.