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<?php $xml = <<<XML <html> <head><title></title></head> <body> <CONTENT /> </body> </html> XML; $dom = new DOMDocument(); $dom->loadXML($xml); $c = $dom->createTextNode("<h1>heading</h1>"); $dom->replaceChild($c,$dom->getElementsByTagName("content")->item(0)); echo $dom->saveHTML();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: DOMNode::replaceChild(): Argument #2 ($child) must be of type DOMNode, null given in /in/9LYOb:13 Stack trace: #0 /in/9LYOb(13): DOMNode->replaceChild(Object(DOMText), NULL) #1 {main} thrown in /in/9LYOb on line 13
Process exited with code 255.

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