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<?php class Foo { public function getBar($obj) { var_dump($obj->bar); } public function getBaz($obj) { var_dump($obj->baz); } public function getVars($obj) { var_dump(get_object_vars($obj)); } } $obj = (object) array( "\0*\0bar" => 1, "\0Foo\0baz" => 2, ); // trying `get_object_vars` from global scope var_dump(get_object_vars($obj)); // trying from Foo instance (new Foo())->getVars($obj); // trying from a Foo instance (new Foo())->getBar($obj); (new Foo())->getBaz($obj); // trying from a closure bound to `stdClass` var_dump(Closure::bind(function ($obj) { var_dump($obj->bar, $obj->baz); }, $obj, 'stdClass')->__invoke($obj)); // trying from a closure bound to `Foo` var_dump(Closure::bind(function ($obj) { var_dump($obj->bar, $obj->baz); }, $obj, 'Foo')->__invoke($obj)); // direct access (causes fatal) var_dump($obj->{"\0*\0bar"}); var_dump($obj->{"\0Foo*\0baz"});
Output for 7.0.0 - 7.1.0
array(2) { ["*bar"]=> int(1) ["Foobaz"]=> int(2) } array(2) { ["*bar"]=> int(1) ["Foobaz"]=> int(2) } Notice: Undefined property: stdClass::$bar in /in/UtlEg on line 7 NULL Notice: Undefined property: stdClass::$baz in /in/UtlEg on line 12 NULL Warning: Cannot bind closure to scope of internal class stdClass in /in/UtlEg on line 37 Fatal error: Uncaught Error: Call to a member function __invoke() on null in /in/UtlEg:37 Stack trace: #0 {main} thrown in /in/UtlEg on line 37
Process exited with code 255.
Output for 5.4.0 - 5.6.28
array(1) { ["bar"]=> int(1) } array(1) { ["bar"]=> int(1) } Notice: Undefined property: stdClass::$bar in /in/UtlEg on line 7 NULL Notice: Undefined property: stdClass::$baz in /in/UtlEg on line 12 NULL Notice: Undefined property: stdClass::$bar in /in/UtlEg on line 37 Notice: Undefined property: stdClass::$baz in /in/UtlEg on line 37 NULL NULL NULL Notice: Undefined property: stdClass::$bar in /in/UtlEg on line 40 Notice: Undefined property: stdClass::$baz in /in/UtlEg on line 40 NULL NULL NULL Fatal error: Cannot access property started with '\0' in /in/UtlEg on line 43
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/UtlEg on line 30
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/UtlEg on line 30
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/UtlEg on line 5
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, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/UtlEg on line 5
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/UtlEg on line 5
Process exited with code 255.