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<?php class A { public $b = false; function __construct(&$oB) { $this->b = $oB; } } class B { public $a = false; function __construct(&$oA) { $this->a = $oA; } } $aDepends = false; //$pLink = &$aDepends; $oB = new B(false); $oA = new A($oB); //$aDepends=$oA; $oB->a = $oA; var_dump($oA); var_dump($oB);
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught Error: B::__construct(): Argument #1 ($oA) could not be passed by reference in /in/v4Feq:19 Stack trace: #0 {main} thrown in /in/v4Feq on line 19
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Fatal error: Uncaught Error: B::__construct(): Argument #1 ($oA) cannot be passed by reference in /in/v4Feq:19 Stack trace: #0 {main} thrown in /in/v4Feq on line 19
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Cannot pass parameter 1 by reference in /in/v4Feq:19 Stack trace: #0 {main} thrown in /in/v4Feq on line 19
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Cannot pass parameter 1 by reference in /in/v4Feq on line 19
Process exited with code 255.
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199.86 ms | 402 KiB | 198 Q