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Using ReflectionClass::newInstanceWithoutConstructor and ReflectionProperty::setValue allow to set a value for a readonly promoted property. For example this code works (tested on PHP 8.2) :
I would design the constructor in a way that it can be called from all static alternatives. Probably the current constructor is doing too much? However, since PHP 5.4 ReflectionClass supports the method, newInstanceWithoutConstructor(), so there is nothing bad with that.
ReflectionClass::newInstanceWithoutConstructor (PHP >= 5.4.0) ReflectionClass::newInstanceWithoutConstructor — Creates a new class instance without invoking the constructor.
If this method is not available in your version of PHP you can use a trick to create an instance without calling the constructor. Use reflection to get the properties and default values of the class, and create a fake "serialized" string.
Simple usage example of `ReflectionClass::newInstanceWithoutConstructor ()`. The ReflectionClass::newInstanceWithoutConstructor function in PHP allows you to create a new instance of a class without invoking its constructor. This can be useful in situations where you need to bypass the constructor temporarily or if you want to create an instance of a class without executing its constructor logic.
ReflectionClass::getExtension — Gets a ReflectionExtension object for the extension which defined the class ReflectionClass::getExtensionName — Gets the name of the extension which defined the class
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ReflectionClass::newInstanceWithoutConstructor — Creates a new class instance without invoking the constructor.
