douguizhuang8276
2014-06-23 12:12
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PHP cURL将文件设置为POST表单输入类型文件

I have a page on a different server with a <form> and I use cURL to set the data automatically. However in this form there is a file input <input name='file' type='file'> and now I am aware of the fact that the file input behaves differently from the others.

//This is my code till now.
$ch = curl_init();
//page is password protected I am not sure if this works but I hope it does.
curl_setopt($ch, CURLOPT_URL, "http://user:pass@mydomain.com/system_backup.php");
curl_setopt($ch, CURLOPT_POST, 1);
//set a file as post variable this doesn't work
curl_setopt($ch, CURLOPT_POSTFIELDS, "file=".$file."&var1=".$var1."&var2=".$var2);
$result = curl_exec($ch);
curl_close($ch);

So my question is how do I set a file as a postfield with cURL.

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3条回答 默认 最新

  • douyue2313 2014-06-23 14:39
    已采纳

    found the solution myself

    $postParams['file'] = '@'.realpath("URLTOFILE.txt"); //for type = file
    $postParams['var1'] = urlencode("var1"); //type = text, submit pretty much everything.
    
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, "http://user:pass@mydomain.com/system_backup.php");
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $postParams);
    
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  • dqan70724 2014-06-23 12:14

    Look at this guide, you need to prefix the file full path with '@'

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  • douzhenqun1271 2014-06-23 12:17

    You can put the params in an array as $postFields = array('file'=>$file,'var1'=>$var1,'var2'=>$var2);

    and then use curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($postFields));

    Hopefully should work.

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