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<?php class Document { } class a { function __construct(array $config) { } } class b extends a { protected Document $document; function __construct($document) { if (is_array($document)) { // deprecation warning $this->document = new Document; // get from factory // do config stuff return; } $this->document = $document; } } $x = new b(new Document); var_dump($x);
Output for git.master_jit, git.master, rfc.property-hooks
object(b)#1 (1) { ["document":protected]=> object(Document)#2 (0) { } }

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