我的 json 对象只输出一个对象，但我的 xml 文件中有更多对象

Question

这是我的 JSON 输出，我会喜欢更多对象[    {        "EcommerceProductGuid": "1282174A-F6A9-4049-8C03-EFDBF065A22F",        "ProductNumber": "-004394",        "Description": "Sparta Ion DLI D50",        "Type": "Ion DLI M-Gear",        "Kind": "Elektrische fiets",        "Brand": "Sparta",    }]这是我的 PHPfunction XMLtoJSON($xml) {    $xml = file_get_contents($xml);    // gets XML content from file    $xml = str_replace(array("\n", "\r", "\t"), '', $xml);    // removes newlines, returns and tabs    // replace double quotes with single quotes, to ensure the simple XML function can parse the XML    $xml = trim(str_replace('"', "'", $xml));    $simpleXml = simplexml_load_string($xml);    // loop over Products -> Product item in the xml file    $devices = array();    foreach($simpleXml->Products->Product as $product)    {        $device = array();        foreach($product as $key => $value)        {            //$device[(string)$rewriteKeys[$key]] = (string)$value;            $device[(string)$key] = (string)$value;            // unset empty and extra keys            unset($device['epg']);            unset($device[null]);        }    $devices[] = $product;    return stripslashes(json_encode($devices, JSON_PRETTY_PRINT));    // returns a string with JSON object}问题是他只输出一个 Product 对象，但我的 XML 文件包含其中 4 个。

Answer 1

您在脚本结束时遇到了一些问题，您需要将设备添加到主循环内的数组中，但在所有循环结束后输出 JSON（您在第一个循环结束时返回数据） .

// loop over Products -> Product item in the xml file

$devices = array();

foreach($simpleXml->Products->Product as $product)

{

    $device = array();

    foreach($product as $key => $value)

    {

        //$device[(string)$rewriteKeys[$key]] = (string)$value;

        $device[(string)$key] = (string)$value;

    }

    // unset empty and extra keys after transferring all values

    unset($device['epg']);

    unset($device[null]);

    // Add device into array inside loop

    $devices[] = $product;

}

// Return data after processing all product in loop

return stripslashes(json_encode($devices, JSON_PRETTY_PRINT));    // returns a string with JSON object

Answer 2

你错过了}第一个结束foreach。因此return总是在 first 的第一个循环内执行foreach：

function XMLtoJSON($xml) {

    $xml = file_get_contents($xml);    // gets XML content from file

    $xml = str_replace(array("\n", "\r", "\t"), '', $xml);    // removes newlines, returns and tabs

    // replace double quotes with single quotes, to ensure the simple XML function can parse the XML

    $xml = trim(str_replace('"', "'", $xml));

    $simpleXml = simplexml_load_string($xml);

    // loop over Products -> Product item in the xml file

    $devices = array();

    foreach($simpleXml->Products->Product as $product)

    {

        $device = array();

        foreach($product as $key => $value)

        {

            //$device[(string)$rewriteKeys[$key]] = (string)$value;

            $device[(string)$key] = (string)$value;

            // unset empty and extra keys

            unset($device['epg']);

            unset($device[null]);

        }

    $devices[] = $product;

    } // THIS WAS MISSING

    return stripslashes(json_encode($devices, JSON_PRETTY_PRINT));    // returns a string with JSON object

}