vendor/braintree/braintree_php/lib/Braintree/Xml/Generator.php

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

<?php

namespace Braintree\Xml;

use DateTime;
use DateTimeZone;
use XMLWriter;
use Braintree\Util;

/**
 * Generates XML output from arrays using PHP's
 * built-in XMLWriter
 */
class Generator
{
    /**
     * arrays passed to this method should have a single root element
     * with an array as its value
     *
     * @param array $aData the array of data
     *
     * @return string XML string
     */
    public static function arrayToXml($aData)
    {
        $aData = Util::camelCaseToDelimiterArray($aData, '-');
        // set up the XMLWriter
        $writer = new XMLWriter();
        $writer->openMemory();

        $writer->setIndent(true);
        $writer->setIndentString(' ');
        $writer->startDocument('1.0', 'UTF-8');

        // get the root element name
        $aKeys = array_keys($aData);
        $rootElementName = $aKeys[0];
        // open the root element
        $writer->startElement($rootElementName);
        // create the body
        self::_createElementsFromArray($writer, $aData[$rootElementName], $rootElementName);

        // close the root element and document
        $writer->endElement();
        $writer->endDocument();

        // send the output as string
        return $writer->outputMemory();
    }

    /**
     * Construct XML elements with attributes from an associative array.
     *
     * @param object $writer XMLWriter object
     * @param array  $aData  contains attributes and values
     *
     * @return void
     */
    private static function _createElementsFromArray(&$writer, $aData)
    {