CODEWITHSUNDEEP
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Harish Kumar
Harish Kumar

Reputation: 995

PHP : Trouble developing CURL request for file upload to API

I am having this problem from last few days to develop a CURL request in php to post file data to an API.

Here is the CURL request

$ curl --request POST \
    --url 'UPLOAD_URL' \
    --upload-file 'PATH_TO_FILE' \
    --header 'Authorization: Bearer YOUR_ACCESS_TOKEN'

for PATH_TO_FILE I have tried each and every method published over the web and stackoverflow too.

here is my PHP code

<?php
header('Content-Type: application/json');
$sheader = array('Authorization: Bearer '.$_SESSION['access_token']);
$filename = $_FILES['upload-file']['name'];
$filedata = $_FILES['upload-file']['tmp_name'];
$filesize = $_FILES['upload-file']['size'];
$filetype = $_FILES['upload-file']['type'];

if($filename != '')
{
 $ch = curl_init();
 $cFile = new CURLFile(realpath($filename), $filetype, 'harish.jpg');
 //$cFile = '@'. realpath($filename);
 $data = array('upload-file' => $cFile); 
 curl_setopt($ch, CURLOPT_POSTFIELDS, $cFile);
 //curl_setopt($ch, CURLOPT_POSTFIELDS, realpath($filename));
 curl_setopt($ch, CURLOPT_URL, $_POST['upload_url']);
 curl_setopt($ch, CURLOPT_HTTPHEADER, $sheader);
 curl_exec($ch);
 echo json_encode($ch);
 //echo json_encode(array('filename'=>$filename, 'temp_path'=>$filedata, 'basepath'=>realpath($filename)));

 } else {
    echo 'There is no file selected';
 }

Mostly the solution i have found on the web are these two mentioned below

Method 1 (for php < 5.5) 

'@'.$filepath

Method 2 (for php > 5.5)

CURLFile($filename, $filetype, 'somefile.jpg');

or 

curl_file_create($filedata, 'image/jpeg', $filename);

None of the above worked for me. I have use realpath($filename) too inside CURLFile to fetch absolute path of the file, but sadly that also not worked.

Upvotes: 1

Views: 2352

Answers (1)

&#193;lvaro Gonz&#225;lez
&#193;lvaro Gonz&#225;lez

Reputation: 146350

I admit that CURLFile documentation is slightly ambiguous but the first constructor argument, $name, is in fact the physical path to the actual file you want to send, not the "friendly" name (which goes in the optional third argument, $postname). You should note there's something wrong since you never tell Curl about $_FILES['upload-file']['tmp_name']—it has no way to know what file you want to send.

So:

$filename = $_FILES['upload-file']['name'];
$filedata = $_FILES['upload-file']['tmp_name'];
$filesize = $_FILES['upload-file']['size'];
$filetype = $_FILES['upload-file']['type'];

$cFile = new CURLFile($filedata, $filetype, 'harish.jpg')

You aren't being notified about this because you're skipping error checking. You don't check the return value of any function, neither call curl_error() anywhere in your code.

One more error you have is that you pass the CURLFile instance this way:

curl_setopt($ch, CURLOPT_POSTFIELDS, $cFile);

Correct syntax should be like:

curl_setopt($ch, CURLOPT_POSTFIELDS, ['give_a_nice_post_name_here' => $cFile]);

Upvotes: 1

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