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Edit File: simplexml.php

<?php

namespace Safe;

use Safe\Exceptions\SimplexmlException;

/**
 * This function takes a node of a DOM
 * document and makes it into a SimpleXML node. This new object can
 * then be used as a native SimpleXML element.
 *
 * @param \DOMNode $node A DOM Element node
 * @param string $class_name You may use this optional parameter so that
 * simplexml_import_dom will return an object of
 * the specified class. That class should extend the
 * SimpleXMLElement class.
 * @return \SimpleXMLElement Returns a SimpleXMLElement.
 * @throws SimplexmlException
 *
 */
function simplexml_import_dom(\DOMNode $node, string $class_name = "SimpleXMLElement"): \SimpleXMLElement
{
    error_clear_last();
    $result = \simplexml_import_dom($node, $class_name);
    if ($result === false) {
        throw SimplexmlException::createFromPhpError();
    }
    return $result;
}

/**
 * Convert the well-formed XML document in the given file to an object.
 *
 * @param string $filename Path to the XML file
 *
 * Libxml 2 unescapes the URI, so if you want to pass e.g.
 * b&amp;c as the URI parameter a,
 * you have to call
 * simplexml_load_file(rawurlencode('http://example.com/?a=' .
 * urlencode('b&amp;c'))). Since PHP 5.1.0 you don't need to do
 * this because PHP will do it for you.
 * @param string $class_name You may use this optional parameter so that
 * simplexml_load_file will return an object of
 * the specified class. That class should extend the
 * SimpleXMLElement class.
 * @param int $options Since PHP 5.1.0 and Libxml 2.6.0, you may also use the
 * options parameter to specify additional Libxml parameters.
 * @param string $ns Namespace prefix or URI.
 * @param bool $is_prefix TRUE if ns is a prefix, FALSE if it's a URI;
 * defaults to FALSE.
 * @return \SimpleXMLElement Returns an object of class SimpleXMLElement with
 * properties containing the data held within the XML document.
 * @throws SimplexmlException
 *
 */
function simplexml_load_file(string $filename, string $class_name = "SimpleXMLElement", int $options = 0, string $ns = "", bool $is_prefix = false): \SimpleXMLElement
{
    error_clear_last();
    $result = \simplexml_load_file($filename, $class_name, $options, $ns, $is_prefix);
    if ($result === false) {
        throw SimplexmlException::createFromPhpError();
    }
    return $result;
}

/**
 * Takes a well-formed XML string and returns it as an object.
 *
 * @param string $data A well-formed XML string
 * @param string $class_name You may use this optional parameter so that
 * simplexml_load_string will return an object of
 * the specified class. That class should extend the
 * SimpleXMLElement class.
 * @param int $options Since PHP 5.1.0 and Libxml 2.6.0, you may also use the
 * options parameter to specify additional Libxml parameters.
 * @param string $ns Namespace prefix or URI.
 * @param bool $is_prefix TRUE if ns is a prefix, FALSE if it's a URI;
 * defaults to FALSE.
 * @return \SimpleXMLElement Returns an object of class SimpleXMLElement with
 * properties containing the data held within the xml document.
 * @throws SimplexmlException
 *
 */
function simplexml_load_string(string $data, string $class_name = "SimpleXMLElement", int $options = 0, string $ns = "", bool $is_prefix = false): \SimpleXMLElement
{
    error_clear_last();
    $result = \simplexml_load_string($data, $class_name, $options, $ns, $is_prefix);
    if ($result === false) {
        throw SimplexmlException::createFromPhpError();
    }
    return $result;
}