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run code in 150+ php & hhvm versions
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<?php class A { const test = 'test'; } $b = 'test'; var_dump(A::$$b);
based on EG8ul
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Access to undeclared static property: A::$test in /in/5kASV:9 Stack trace: #0 {main} thrown in /in/5kASV on line 9
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Invalid static property access: A::test in /in/5kASV on line 9
Process exited with code 255.
Output for 5.2.6 - 5.6.28
Fatal error: Access to undeclared static property: A::$test in /in/5kASV on line 9
Process exited with code 255.
Output for 5.0.0 - 5.2.5
Fatal error: Access to undeclared static property: A::$test in /in/5kASV on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/5kASV on line 4
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_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/5kASV on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/5kASV on line 4
Process exited with code 255.