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<?php final class Immutable { private $somePropertyThatShouldntBeChanged; public function __construct($value) { $this->somePropertyThatShouldntBeChanged = $value; } public function getValue() { return $this->somePropertyThatShouldntBeChanged; } } $foo = new Immutable('immutable value'); echo $foo->getValue() . PHP_EOL; $foo->__construct('not immutable value'); echo $foo->getValue() . PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
immutable value not immutable value

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