How to send upload file to other website by using curl in php?

Question

How does one upload a file to another website by using Curl in PHP and get the response page?

<form action="posttome.php" enctype="multipart/form-data" method="post">
<input type="hidden" value="2097152" name="MAX_FILE_SIZE">
<input type="file" size="30" class="input" name="img">
<input type="submit" class="input" value="Upload" name="upload">
</form>


<?php
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_VERBOSE, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible;)");
    curl_setopt($ch, CURLOPT_URL, "http://www.postto.me/upload.php");
    curl_setopt($ch, CURLOPT_POST, true);
    // same as <input type="file" name="file_box">
    $post = array(
        "img"=>$_FILES["img"]["tmp_name"],
    );
    curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
    $response = curl_exec($ch);
    echo $response;

echo $_FILES["img"]["tmp_name"];
}
?>

it not working [How]??

i don't know how and what, but this worked for me :) The only difference was that i dont upload a file to my server, instead i send a default file to the site — Saurabh
– Saurabh, Commented Dec 4, 2012 at 13:14

Community · Accepted Answer · 2017-05-23 12:02:40Z

4

On top of Paul Schreiber's answer:

According to how to upload file using curl with php, starting from php 5.5 you need to use curl_file_create($path) instead of "@$path".

Tested: it does work.

With the @ way no file gets uploaded.

edited May 23, 2017 at 12:02

CommunityBot

11 silver badge

answered May 9, 2017 at 12:49

a.l.e

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Comments

Paul Schreiber · Accepted Answer · 2010-09-14 05:40:25Z

1

Here's an example of how to upload a file. (First hit for "curl file upload example php".)

<?php
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_VERBOSE, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible;)");
    curl_setopt($ch, CURLOPT_URL, _VIRUS_SCAN_URL);
    curl_setopt($ch, CURLOPT_POST, true);
    // same as <input type="file" name="file_box">
    $post = array(
        "file_box"=>"@/path/to/myfile.jpg",
    );
    curl_setopt($ch, CURLOPT_POSTFIELDS, $post); 
    $response = curl_exec($ch);
?>

answered Sep 14, 2010 at 5:40

Paul Schreiber

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1 Comment

monkey_boys Over a year ago

that working to another website? "file_box"=>"@/path/to/myfile.jpg", ?

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