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run code in 150+ php & hhvm versions
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<?php class x { const CONSTANT = 'const'; public static function func() { return __METHOD__; } } $class = 'x'; $constant = 'CONSTANT'; $function = 'func'; $classConstant = $class . '::' . $constant; $classFunc1 = array($class, $function); $classFunc2 = $class . '::' . $function; var_dump(x::CONSTANT); var_dump(x::func()); var_dump($class::CONSTANT); var_dump($class::func()); var_dump($class::$function()); var_dump($classFunc1()); var_dump($classFunc2());
Output for hhvm-3.12.0, 7.0.0 - 7.1.0
string(5) "const" string(7) "x::func" string(5) "const" string(7) "x::func" string(7) "x::func" string(7) "x::func" string(7) "x::func"
Output for 5.4.0 - 5.6.28, hhvm-3.10.0
string(5) "const" string(7) "x::func" string(5) "const" string(7) "x::func" string(7) "x::func" string(7) "x::func" Fatal error: Call to undefined function x::func() in /in/Z7TlH on line 24
Process exited with code 255.
Output for 5.3.0 - 5.3.29
string(5) "const" string(7) "x::func" string(5) "const" string(7) "x::func" string(7) "x::func" Fatal error: Function name must be a string in /in/Z7TlH on line 23
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/Z7TlH on line 20
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/Z7TlH on line 20
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/Z7TlH 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/Z7TlH 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/Z7TlH on line 4
Process exited with code 255.