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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { public $foo = 'foo'; protected $bar = 'bar'; } class FooProxy extends Foo { private $wrapped; // ... private static $publicProperties = array('foo' => true); public function __construct(Foo $wrapped) { $this->wrapped = $wrapped; } public function & __get($name) { if (isset(self::$publicProperties[$name])) { return $this->wrapped->$name; } return PublicAccessEmulator::get($this->wrapped, $name); } } class PublicAccessEmulator { public static function & get($object, $name) { return $object->$name; } } $foo = new FooProxy(new Foo()); var_dump($foo->foo); var_dump($foo->bar);
Output for 7.0.0 - 7.1.0
string(3) "foo" Fatal error: Uncaught Error: Cannot access protected property Foo::$bar in /in/PuWls:37 Stack trace: #0 /in/PuWls(29): PublicAccessEmulator::get(Object(Foo), 'bar') #1 /in/PuWls(44): FooProxy->__get('bar') #2 {main} Next Error: Cannot access protected property Foo::$bar in /in/PuWls:37 Stack trace: #0 /in/PuWls(29): PublicAccessEmulator::get(Object(Foo), 'bar') #1 /in/PuWls(44): FooProxy->__get('bar') #2 {main} thrown in /in/PuWls on line 37
Process exited with code 255.
Output for hhvm-3.12.0
string(3) "foo" Fatal error: Uncaught Error: Cannot access protected property Foo::$bar in /in/PuWls:37 Stack trace: #0 /in/PuWls(29): PublicAccessEmulator::get() #1 /in/PuWls(44): FooProxy->__get() #2 {main}
Process exited with code 255.
Output for 5.1.0 - 5.6.28, hhvm-3.10.0
string(3) "foo" Fatal error: Cannot access protected property Foo::$bar in /in/PuWls on line 37
Process exited with code 255.
Output for 5.0.0 - 5.0.5
string(3) "foo" Fatal error: Cannot access protected property FooProxy::$bar in /in/PuWls on line 44
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/PuWls 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/PuWls 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/PuWls on line 5
Process exited with code 255.