Online PHP editor | output for SuLb9

<?php class Tablier { public function __construct(public float $longueur, public float $largeur){ } } class Pont { private closure $taille = null; public function __sleep() { return array('name','tablier'); } public function __wakeup() { $this->taille = fn() => $this->tablier->longueur * $this->tablier->largeur; } public function __construct(protected string $name, protected Tablier $tablier) { $this->taille = fn() => $this->tablier->longueur * $this->tablier->largeur; } public function __clone(){ $this->tablier = clone $this->tablier; } } $pont1 = new Pont("towerBridge", new Tablier(386,16)); var_dump($pont1); $pont2 = clone $pont1; $chaine = serialise($pont1); echo $chaine; $pont3 = unserialise($chaine); var_dump($pont3);