loadHTML('

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'); * $elem = $doc->getElementsByTagName('div')->item(0); * * // Get inner HTML * assert($elem->getInnerHtml() === '

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'); * * // Set inner HTML * $elem->setInnerHtml('FiveFilters.org'); * assert($elem->getInnerHtml() === 'FiveFilters.org'); * * // print document (with our changes) * echo $doc->saveXML(); * ``` */ final class JSLikeHTMLElement extends \DOMElement { /** * Sets inner HTML. */ public function setInnerHtml(string $value): void { // first, empty the element if (isset($this->childNodes)) { for ($x = $this->childNodes->length - 1; $x >= 0; --$x) { $this->removeChild($this->childNodes->item($x)); } } // $value holds our new inner HTML $value = trim($value); if (empty($value)) { return; } // ensure bad entity won't generate warning $previousError = libxml_use_internal_errors(true); $f = $this->ownerDocument->createDocumentFragment(); // appendXML() expects well-formed markup (XHTML) $result = $f->appendXML($value); if ($result) { if ($f->hasChildNodes()) { $this->appendChild($f); } } else { // $value is probably ill-formed $f = new \DOMDocument(); // Using will generate a warning, but so will bad HTML // (and by element point, bad HTML is what we've got). // We use it (and suppress the warning) because an HTML fragment will // be wrapped around tags which we don't really want to keep. // Note: despite the warning, if loadHTML succeeds it will return true. $result = $f->loadHTML('' . $value . ''); if ($result) { $import = $f->getElementsByTagName('htmlfragment')->item(0); foreach ($import->childNodes as $child) { $importedNode = $this->ownerDocument->importNode($child, true); $this->appendChild($importedNode); } } } libxml_clear_errors(); libxml_use_internal_errors($previousError); } /** * Gets inner HTML. */ public function getInnerHtml(): string { $inner = ''; if (isset($this->childNodes)) { foreach ($this->childNodes as $child) { $inner .= $this->ownerDocument->saveXML($child); } } return $inner; } }