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<?php class My_DOMDocument extends DOMDocument { public function saveHTML(DOMNode $node = NULL) { parent::saveHTML($node); } } echo 'no problem here';
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of My_DOMDocument::saveHTML(?DOMNode $node = 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/u0Kvn on line 5 no problem here

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