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<?php class House { /** * @var string */ private $size; public function __construct(string $size) { $this->size = $size; } public function getSize() : string { return $this->size; } public function withSize(string $newSize) : House { $clone = clone $this; $clone->size = $newSize; //note that $size field had to be changed to public return $clone; } } $house = new House('small'); $bigHouse = $house->withSize('big'); echo $house->getSize();
Output for git.master, git.master_jit, rfc.property-hooks
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