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<?php class myName{ private $prop; public function __construct($value){ $this->prop = $value; } public function returnPrivate(){ return $this->prop; } } $oldObject = new myName('The named way'); echo $oldObject->returnPrivate()."\n"; class myNameExt extends myName{ public function returnPrivate(){ return $this->prop.' from named extension'; } } $extObject = new myNameExt('The named extension'); echo $extObject->returnPrivate()."\n"; $newObj = new class('The anonymous way') extends myName{ public function returnPrivate(){ return $this->prop.' with override'; } }; echo $newObj->returnPrivate();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
The named way Warning: Undefined property: myNameExt::$prop in /in/Q2vXX on line 28 from named extension Warning: Undefined property: myName@anonymous::$prop in /in/Q2vXX on line 42 with override
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
The named way Notice: Undefined property: myNameExt::$prop in /in/Q2vXX on line 28 from named extension Notice: Undefined property: class@anonymous::$prop in /in/Q2vXX on line 42 with override
Output for 7.3.32 - 7.3.33
The named way from named extension with override
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/Q2vXX on line 38
Process exited with code 255.

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