Re: [RFC] Allow Reassignment of Promoted Readonly Properties in Constructor

Le mar. 24 févr. 2026 à 20:57, Larry Garfield <larry@garfieldtech..com> a écrit : > On Tue, Feb 24, 2026, at 1:34 PM, Nicolas Grekas wrote: > > >> Otherwise, I'm happy with where this ended up. Thanks! > >> > > > > Thanks for having a look! > > Here is the update: > > > > https://wiki.php.net/rfc/promoted_readonly_constructor_reassign?do=diff&rev2%5B0%5D=1771797005&rev2%5B1%5D=1771961558&difftype=sidebyside > > > > Cheers, > > Nicolas > > > Property hooks cannot be combined with CPP, so properties must be > declared separately > > This is untrue. The following code is legal: > > class Point { > public function __construct( > public float $x = 0.0 { set => abs($value); }, > public float $y = 0.0 { set => abs($value); }, > ) {} > } > > The point about readonly is valid, and worth keeping, as is the "affects > all writes" question, but the code above is possible. > > My bad, I should get used to them more :) https://wiki.php.net/rfc/promoted_readonly_constructor_reassign?do=diff&rev2%5B0%5D=1771961558&rev2%5B1%5D=1771972141&difftype=sidebyside