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run code in 200+ php & hhvm versions
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<?php class User {} function getUser() : int { return '123'; } var_dump(getUser());
based on LGdAl
Output for 7.0.0 - 7.2.0
int(123)
Output for 5.3.17 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/XQgaP on line 5
Process exited with code 255.