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run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { protected $_prot; public function __toString() { return (string) $this->_prot; } } class C extends A { protected $_c = __CLASS__; } class B extends A { static function test(A $a) { $a->_prot = 5; echo '_c:', $a->_c, " "; echo "_a:", $a, "\n"; } } $a = new A; $b = new B; $c = new C; B::test($a); B::test($b); B::test($c);
Output for 7.0.0 - 7.1.0
_c: Notice: Undefined property: A::$_c in /in/qgt77 on line 17 _a:5 _c: Notice: Undefined property: B::$_c in /in/qgt77 on line 17 _a:5 _c: Fatal error: Uncaught Error: Cannot access protected property C::$_c in /in/qgt77:17 Stack trace: #0 /in/qgt77(28): B::test(Object(C)) #1 {main} thrown in /in/qgt77 on line 17
Process exited with code 255.
Output for 5.2.6 - 5.6.28
_c: Notice: Undefined property: A::$_c in /in/qgt77 on line 17 _a:5 _c: Notice: Undefined property: B::$_c in /in/qgt77 on line 17 _a:5 _c: Fatal error: Cannot access protected property C::$_c in /in/qgt77 on line 17
Process exited with code 255.
Output for 5.2.0 - 5.2.5
_c: Notice: Undefined property: A::$_c in /in/qgt77 on line 17 _a:5 _c: Notice: Undefined property: B::$_c in /in/qgt77 on line 17 _a:5 _c: Fatal error: Cannot access protected property C::$_c in /in/qgt77 on line 17
Process exited with code 255.
Output for 5.0.5 - 5.1.6
_c: Notice: Undefined property: A::$_c in /in/qgt77 on line 17 _a:5 _c: Notice: Undefined property: B::$_c in /in/qgt77 on line 17 _a:5 Fatal error: Cannot access protected property C::$_prot in /in/qgt77 on line 16
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Cannot access protected property A::$_prot in /in/qgt77 on line 16
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/qgt77 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_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/qgt77 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/qgt77 on line 4
Process exited with code 255.