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<?php declare(strict_types=1); // so only PHP 7 will show up class FooBar { private $x; public function __construct() { var_dump($this); echo "Let's remove a property!", PHP_EOL; unset($this->x); var_dump($this); echo "Let's add a property!", PHP_EOL; $this->x = 2; var_dump($this); echo "Where did the private come from?", PHP_EOL; } } $foobar = new Foobar;
Output for git.master, git.master_jit, rfc.property-hooks
object(FooBar)#1 (1) { ["x":"FooBar":private]=> NULL } Let's remove a property! object(FooBar)#1 (0) { } Let's add a property! object(FooBar)#1 (1) { ["x":"FooBar":private]=> int(2) } Where did the private come from?

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