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Editorial Team
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Asked: 2026-05-29T08:55:24+00:00

I am asking the user to upload a file, through the following form making

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I am asking the user to upload a file, through the following form making a POST Request to another page Upload.php

<form name="input" action="upload.php" method="post" enctype="multipart/form-data">
    Username: <input type="text" name="username" /><br/>
    <input type="file" name="file" /> <br/>
    <input type="submit" value="Submit" />
</form>

At Upload.php, I use the data filled in the previous form to make an POST Request using Curl function for which I have written the following code:

$data = array(
        "username" => $username,
        "password" => $password,
        "title" => $title,
        "srcfile" => "@".$_FILES['file']['tmp_name']);

$ch = curl_init();
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch, CURLOPT_URL, $api);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
$response=curl_exec($ch);

echo $response;

This way I am able to upload the file successfully but the file uploaded has a name without any extension which is set by this

$_FILES[‘file’][‘tmp_name’]

and thus I am not able to use the file on the server.

How should I use the file obtained from the POST Request to make another POST Request?

Thanks in advance.

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1 Answer

  1. Editorial Team

    The problem in the above case is that though we can have the file using $_FILES[‘file’][‘tmp_name’], however, the file extension is not the same as that of original file and even the following code does not work which should run as filed in this bug https://bugs.php.net/bug.php?id=48962 in PHP 5.0

    "srcfile" => "@".$_FILES['file']['tmp_name'].";filename=".$_FILES['file']['name'].";type=".$_FILES['file']['type']

    I have finally used the following solution to solve the above problem:

    STEP 1: Save the file sent through the form’s POST request in a folder temporarily on the server or your machine.

    STEP 2: Now use the path where file has been saved temporarily to make a POST request using CURL for which the code is used same as above mentioned with changes in file location. 

    "srcfile" => "@".temp_file_path
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