/** @var bool|null Whether to use the HTML namespace rather than the null namespace for HTML elements. Using the HTML namespace is the correct behaviour, but this has performance and compatibility implications for PHP */
public $htmlNamespace = null;
/** @var int|null The number of spaces or tabs (depending on setting of indentStep) to indent at each step. This is 1 by default and has no effect unless reformatWhitespace is true */
public $indentStep = null;
/** @var bool|null Whether to use spaces or tabs to indent. This is true by default and has no effect unless reformatWhitespace is true */
public $indentWithSpaces = null;
/** @var bool|null Whether to retain processing instructions rather than parsing them into comments as the HTML specification requires. Setting this true will yield non-standard documents */
public $processingInstructions = null;
/** @var bool|null Whether to reformat whitespace (pretty-print) or not. This is false by default */
public $reformatWhitespace = null;
/** @var bool|null Whether to print the end tags of foreign void elements rather than self-closing their start tags. Per the standard this is true by default */
public $serializeForeignVoidEndTags = null;
/** @var bool|null Whether to include the values of boolean attributes on HTML elements during serialization. Per the standard this is true by default */
public $serializeBooleanAttributeValues = null;
/* Future serializer settings might include:
- Reformat whitespace (pretty-print)
- Indent string (arbitrary, to allow tabs or spaces or whatever)
- Attribute quoting style (single quote, double quote, with or without a preference for none)
/* Used when reformatting whitespace when nodes are checked for being treated as block. */
protected const BLOCK_QUERY = 'count(.//*[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"][not(ancestor::iframe[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"] or ancestor::listing[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"] or ancestor::noembed[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"] or ancestor::noframes[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"] or ancestor::noscript[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"] or ancestor::plaintext[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"] or ancestor::pre[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"] or ancestor::style[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"] or ancestor::script[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"] or ancestor::textarea[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"] or ancestor::title[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"] or ancestor::xmp[namespace-uri()="" or namespace-uri()="http://www.w3.org/1999/xhtml"])][name()="address" or name()="article" or name()="aside" or name()="blockquote" or name()="base" or name()="body" or name()="canvas" or name()="details" or name()="dialog" or name()="dd" or name()="div" or name()="dl" or name()="dt" or name()="fieldset" or name()="figcaption" or name()="figure" or name()="footer" or name()="form" or name()="frame" or name()="frameset" or name()="h1" or name()="h2" or name()="h3" or name()="h4" or name()="h5" or name()="h6" or name()="head" or name()="header" or name()="hr" or name()="html" or name()="isindex" or name()="li" or name()="link" or name()="main" or name()="meta" or name()="nav" or name()="ol" or name()="p" or name()="picture" or name()="pre" or name()="section" or name()="script" or name()="source" or name()="style" or name()="table" or name()="td" or name()="tfoot" or name()="th" or name()="thead" or name()="title" or name()="tr" or name()="ul" or name()="video"][1])';
/** Serializes an HTML DOM node to a string. This is equivalent to the outerHTML getter
*
* @param \DOMDocument|\DOMElement|\DOMText|\DOMComment|\DOMProcessingInstruction|\DOMDocumentFragment|\DOMDocumentType $node The node to serialize
* @param \MensBeam\HTML\Parser\Config|null $config The configuration parameters to use, if any
* @param array|null $config The configuration parameters to use, if any. Possible options are as follows:
* booleanAttributeValues bool|null - Whether to include the values of boolean attributes on HTML elements during serialization. Per the standard this is true by default
* foreignVoidEndTags bool|null - Whether to print the end tags of foreign void elements rather than self-closing their start tags. Per the standard this is true by default
* indentStep int|null - The number of spaces or tabs (depending on setting of indentStep) to indent at each step. This is 1 by default and has no effect unless reformatWhitespace is true
* indentWithSpaces bool|null - Whether to use spaces or tabs to indent. This is true by default and has no effect unless reformatWhitespace is true
* reformatWhitespace bool|null - Whether to reformat whitespace (pretty-print) or not. This is false by default
*/
public static function serialize(\DOMNode $node, ?Config $config = null): string {
