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<?php class X { readonly public string $property; public function __construct() { $this->property = 1; } } $object = new x(); $reference =& $object->property; //Cannot modify readonly property X::$property class Y { readonly public string $property; public function __construct(&$a) { // first time assignation $this->property = &$a; //Cannot modify readonly property X::$property } } $a = 'A'; $object = new Y($a);
Output for 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Fatal error: Uncaught Error: Cannot indirectly modify readonly property X::$property in /in/jNtaT:12 Stack trace: #0 {main} thrown in /in/jNtaT on line 12
Process exited with code 255.
Output for 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30
Fatal error: Uncaught Error: Cannot modify readonly property X::$property in /in/jNtaT:12 Stack trace: #0 {main} thrown in /in/jNtaT on line 12
Process exited with code 255.
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