我正在尝试将JSON响应转换为CSV文件，但是有关数组的问题 这是CSV的转换代码
$jsonString = file_get_contents("feed.json");
$jsonDecoded = json_decode($jsonString, true);
$json = $jsonDecoded['results'];
jsonToCsv($json, "feed.csv");
function jsonToCsv ($json, $csvFilePath = false, $boolOutputFile = false) {
// See if the string contains something
if (empty($json)) {
die("The JSON string is empty!");
}
// If passed a string, turn it into an array
if (is_array($json) === false) {
$json = json_decode($json, true);
}
// If a path is included, open that file for handling. Otherwise, use a temp file (for echoing CSV string)
if ($csvFilePath !== false) {
$f = fopen($csvFilePath,'w+');
if ($f === false) {
die("Couldn't create the file to store the CSV, or the path is invalid. Make sure you're including the full path, INCLUDING the name of the output file (e.g. '../save/path/csvOutput.csv')");
}
}
else {
$boolEchoCsv = true;
if ($boolOutputFile === true) {
$boolEchoCsv = false;
}
$strTempFile = 'feed' . date("U") . ".csv";
$f = fopen($strTempFile,"w+");
}
$firstLineKeys = false;
foreach ($json as $line) {
if (empty($firstLineKeys)) {
$firstLineKeys = array_keys($line);
fputcsv($f, $firstLineKeys);
$firstLineKeys = array_flip($firstLineKeys);
}
// Using array_merge is important to maintain the order of keys acording to the first element
fputcsv($f, array_merge($firstLineKeys, $line));
}
fclose($f);
// Take the file and put it to a string/file for output (if no save path was included in function arguments)
if ($boolOutputFile === true) {
if ($csvFilePath !== false) {
$file = $csvFilePath;
}
else {
$file = $strTempFile;
}
// Output the file to the browser (for open/save)
if (file_exists($file)) {
header('Content-Type: text/csv');
header('Content-Disposition: attachment; filename='.basename($file));
header('Content-Length: ' . filesize($file));
readfile($file);
}
}
elseif ($boolEchoCsv === true) {
if (($handle = fopen($strTempFile, "r")) !== FALSE) {
while (($data = fgetcsv($handle)) !== FALSE) {
echo implode(",",$data);
echo "<br />";
}
fclose($handle);
}
}
// Delete the temp file
unlink($strTempFile);
}
?>
这是feed.json内容的示例
{
"isError":false,
"messages":[
],
"results":[
{
"part_number_key":"DASDSA",
"buy_button_rank":1,
"category_id":11,
"id":123,
"brand":"brand",
"vendor_category_id":null,
"name":"Name",
"part_number":"part number",
"sale_price":12.31,
"currency":"RON",
"description":"description",
"url":"https://www.url.com",
"warranty":12,
"general_stock":10,
"weight":"0",
"status":1,
"recommended_price":12.19,
"images":[
{
"url":"https://url.com/images.jpg1",
"display_type":1
},
{
"url":"https://url.com/images.jpg2",
"display_type":0
},
{
"url":"https://url.com/images.jpg3",
"display_type":0
}
],
"characteristics":[
{
"id":8937,
"value":"value"
},
{
"id":8930,
"value":"value"
},
{
"id":8927,
"value":"value"
},
{
"id":8928,
"value":"value"
},
{
"id":5537,
"value":"value"
},
{
"id":8932,
"value":"value"
},
{
"id":8934,
"value":"value"
},
{
"id":8929,
"value":"value"
},
{
"id":7235,
"value":"value"
},
{
"id":6556,
"value":"value"
},
{
"id":5401,
"value":"value"
}
],
"attachments":[
],
"vat_id":1,
"family":{
"id":1104,
"name":"NAME",
"family_type_id":244
},
"start_date":[
],
"estimated_stock":10,
"reversible_vat_charging":false,
"min_sale_price":11,
"max_sale_price":200,
"offer_details":{
"id":2484194,
"warranty_type":null,
"supply_lead_time":14
},
"offer_properties":[
],
"product_measurements":[
],
"availability":[
{
"warehouse_id":1,
"id":3
}
],
"stock":[
{
"warehouse_id":1,
"value":10
}
],
"handling_time":[
{
"warehouse_id":1,
"value":0
}
],
"barcode":[
],
"ean":[
],
"commission":{
"value":"20.0000",
"type":"percentage",
"id":"123",
"priority":"4",
"created":"2010-01-16 11:25:02"
},
"validation_status":[
{
"value":9,
"description":"Approved documentation",
"errors":null
}
],
"offer_validation_status":{
"value":1,
"description":"Saleable",
"errors":null
},
"ownership":1,
"best_offer_sale_price":11,
"best_offer_recommended_price":11,
"number_of_offers":1
},
{
"part_number_key":"D3129DKQW",
"buy_button_rank":1,
"category_id":456,
"id":123,
"brand":"Bluedio",
"vendor_category_id":null,
"name":"name",
"part_number":"part number",
"sale_price":123,
"currency":"EUR",
"description":"description",
"url":"https://url.com",
"warranty":24,
"general_stock":1,
"weight":"0",
"status":1,
"recommended_price":12,
"images":[
{
"url":"https://url.com/images.jpg1",
"display_type":1
},
{
"url":"https://url.com/images.jpg2",
"display_type":0
},
{
"url":"https://url.com/images.jpg3",
"display_type":0
}
],
"characteristics":[
{
"id":7774,
"value":"val"
},
{
"id":7947,
"value":"val"
},
{
"id":8001,
"value":"val"
},
{
"id":8937,
"value":"val"
},
{
"id":8930,
"value":"val"
},
{
"id":8927,
"value":"val"
},
{
"id":8928,
"value":"val"
},
{
"id":5537,
"value":"val"
},
{
"id":8932,
"value":"val"
},
{
"id":8934,
"value":"val"
},
{
"id":8929,
"value":"val"
},
{
"id":7235,
"value":"val"
},
{
"id":6556,
"value":"val"
},
{
"id":5401,
"value":"val"
}
],
"attachments":[
],
"vat_id":1,
"family":{
"id":123456,
"name":"Name",
"family_type_id":244
},
"start_date":[
],
"estimated_stock":144,
"reversible_vat_charging":false,
"min_sale_price":11,
"max_sale_price":200,
"offer_details":{
"id":242414,
"warranty_type":null,
"supply_lead_time":14
},
"offer_properties":[
],
"product_measurements":[
],
"availability":[
{
"warehouse_id":1,
"id":3
}
],
"stock":[
{
"warehouse_id":1,
"value":9
}
],
"handling_time":[
{
"warehouse_id":1,
"value":0
}
],
"barcode":[
],
"ean":[
],
"commission":{
"value":"20.0000",
"type":"percentage",
"id":"12492",
"priority":"4",
"created":"2010-01-16 11:25:02"
},
"validation_status":[
{
"value":9,
"description":"Approved documentation",
"errors":null
}
],
"offer_validation_status":{
"value":1,
"description":"Saleable",
"errors":null
},
"ownership":1,
"best_offer_sale_price":77.31,
"best_offer_recommended_price":83.19,
"number_of_offers":1
}
]
}
这是转换的输出
part_number_key,buy_button_rank,category_id,id,brand,vendor_category_id,name,part_number,sale_price,currency,description,url,warranty,general_stock,weight,status,recommended_price,images,characteristics,attachments,vat_id,family,start_date,estimated_stock,reversible_vat_charging,min_sale_price,max_sale_price,offer_details,offer_properties,product_measurements,availability,stock,handling_time,barcode,ean,commission,validation_status,offer_validation_status,ownership,best_offer_sale_price,best_offer_recommended_price,number_of_offers
DASDSA,1,11,123,brand,,Name,"part number",12.31,RON,description,https://www.url.com,12,10,0,1,12.19,Array,Array,Array,1,Array,Array,10,,11,200,Array,Array,Array,Array,Array,Array,Array,Array,Array,Array,Array,1,11,11,1
D3129DKQW,1,456,123,Bluedio,,name,"part number",123,EUR,description,https://url.com,24,1,0,1,12,Array,Array,Array,1,Array,Array,144,,11,200,Array,Array,Array,Array,Array,Array,Array,Array,Array,Array,Array,1,77.31,83.19,1
如您所见，有数组而不是值，有人可以告诉我为什么吗？
我尝试过reset（）函数，但仅从第一列（part_number_key）中获取值
foreach ($json as $line){
if (empty($firstLineKeys)) {
$firstLineKeys = array_keys($line); print_r("aici3"); fputcsv($f,
$firstLineKeys); print_r("aici3"); $firstLineKeys = array_flip($firstLineKeys);
} fputcsv($f,
array_merge($firstLineKeys,
$line)); $first = reset($line); print_r($first);
}
我想提取所有列，但只显示每个列中每个列的第一行值，例如在“ images”列中，我只想提取第一个url，其余列都相同
还有一件事，忽略几列的最佳方法是什么？
谢谢！