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<?php error_reporting(E_ALL | E_STRICT); class MyDOM extends DOMDocument { /** * @param \DOMNode|\DOMNodeList|NULL $context * @return string */ public function saveHTML($context = NULL) { if ($context instanceof DOMNodeList) { $result = ''; foreach ($context as $node) { $result .= parent::saveHTML($node); } return $result; } return parent::saveHTML($context); } } $dom = new MyDOM();
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of MyDOM::saveHTML($context = null) should either be compatible with DOMDocument::saveHTML(?DOMNode $node = null): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/cgjjT on line 12

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