40 lines
1.2 KiB
PHP
40 lines
1.2 KiB
PHP
<?php declare(strict_types = 1);
|
|
|
|
namespace MailPoet\EmailEditor\Integrations\Utils;
|
|
|
|
/**
|
|
* This class should guarantee that our work with the DOMDocument is unified and safe.
|
|
*/
|
|
class DomDocumentHelper {
|
|
private \DOMDocument $dom;
|
|
|
|
public function __construct(
|
|
string $htmlContent
|
|
) {
|
|
$this->loadHtml($htmlContent);
|
|
}
|
|
|
|
private function loadHtml(string $htmlContent): void {
|
|
libxml_use_internal_errors(true);
|
|
$this->dom = new \DOMDocument();
|
|
if (!empty($htmlContent)) {
|
|
// prefixing the content with the XML declaration to force the input encoding to UTF-8
|
|
$this->dom->loadHTML('<?xml encoding="UTF-8">' . $htmlContent, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
|
|
}
|
|
libxml_clear_errors();
|
|
}
|
|
|
|
public function findElement(string $tagName): ?\DOMElement {
|
|
$elements = $this->dom->getElementsByTagName($tagName);
|
|
return $elements->item(0) ?: null;
|
|
}
|
|
|
|
public function getAttributeValue(\DOMElement $element, string $attribute): string {
|
|
return $element->hasAttribute($attribute) ? $element->getAttribute($attribute) : '';
|
|
}
|
|
|
|
public function getOuterHtml(\DOMElement $element): string {
|
|
return (string)$this->dom->saveHTML($element);
|
|
}
|
|
}
|