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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\TestFramework\Helper;
use DOMDocument;
use DOMNodeList;
use DOMXPath;
/**
* Xpath query helper
*/
class Xpath
{
/**
* Get elements count for XPath
*
* @param string $xpath
* @param string $html
* @return int
*/
public static function getElementsCountForXpath($xpath, $html)
{
$nodes = self::getElementsForXpath((string) $xpath, (string) $html);
return $nodes->length;
}
/**
* Get elements for XPath
*
* @param string $xpath
* @param string $html
* @return DOMNodeList
*/
public static function getElementsForXpath(string $xpath, string $html): DOMNodeList
{
$domXpath = self::getDOMXpath($html);
return $domXpath->query($xpath);
}
/**
* Get dom document instance
*
* @param string $html
* @return DOMDocument
*/
public static function getDOMDocument(string $html): DOMDocument
{
$domDocument = new DOMDocument('1.0', 'UTF-8');
libxml_use_internal_errors(true);
$domDocument->loadHTML($html);
libxml_use_internal_errors(false);
return $domDocument;
}
/**
* Get dom xpath instance
*
* @param string $html
* @return DOMXPath
*/
public static function getDOMXpath(string $html): DOMXPath
{
return new DOMXPath(self::getDOMDocument($html));
}
}