Html.php
public static function load($html) {
    $document = <<<EOD
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head>
<body>!html</body>
</html>
EOD;
    // PHP's \DOMDocument serialization adds extra whitespace when the markup
    // of the wrapping document contains newlines, so ensure we remove all
    // newlines before injecting the actual HTML body to be processed.
    $document = strtr($document, ["\n" => '', '!html' => $html]);

    $dom = new \DOMDocument();
    // Ignore warnings during HTML soup loading.
    @$dom->loadHTML($document);

    return $dom;
  }
public static function load($html) {
    $document = <<<EOD
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head>
<body>!html</body>
</html>
EOD;
    // PHP's \DOMDocument serialization adds extra whitespace when the markup
    // of the wrapping document contains newlines, so ensure we remove all
    // newlines before injecting the actual HTML body to be processed.
    $document = strtr($document, ["\n" => '', '!html' => $html]);

    $dom = new \DOMDocument();
    // Ignore warnings during HTML soup loading.
    @$dom->loadHTML($document);

    return $dom;
  }
public static function load ( $ html ) { $ document =  <<<EOD
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head>
<body>!html</body>
</html>
EOD ; // PHP's \DOMDocument serialization adds extra whitespace when the markup // of the wrapping document contains newlines, so ensure we remove all // newlines before injecting the actual HTML body to be processed. $ document = strtr ( $ document , [ "\n" => '' , '!html' => $ html ] ) ; $ dom = new \ DOMDocument ( ) ; // Ignore warnings during HTML soup loading. @ $ dom -> loadHTML ( $ document ) ; return $ dom ; }
Parses an HTML snippet and returns it as a DOM object.

This function loads the body part of a partial (X)HTML document and returns
a full \DOMDocument object that represents this document.

Use \Drupal\Component\Utility\Html::serialize() to serialize this
\DOMDocument back to a string.

@param string $html
The partial (X)HTML snippet to load. Invalid markup will be corrected on
import.

@return \DOMDocument
A \DOMDocument that represents the loaded (X)HTML snippet.
Parses an HTML snippet and returns it as a DOM object .