using curl commands in php

Question

I've been stumped on how to use curl in php, for running this piece of code.

  $ curl -F userfile=@Image_File_Name \
     -F outputencoding="utf-8" \
     -F outputformat="txt" \
     http://Server_Address/cgi-bin/submit.cgi >result.txt

Could anyone help me? I've tried the following:

$cmd="curl -F userfile=$file_new \ 
      -F outputencoding="utf-8" \
      F outputformat=txt \ 
      http://maggie.ocrgrid.org/cgi-bin/weocr/ocr_scene.cgi >result.txt"
exec($cmd,$result);
echo $result;

but it does not work.

Thanks!

Paul · Accepted Answer · 2011-07-28 00:38:27Z

1

You need to escape your double quotes that are in the string:

$cmd="curl -F userfile=$file_new \ 
      -F outputencoding=\"utf-8\" \
      F outputformat=\"txt\" \ 
      http://maggie.ocrgrid.org/cgi-bin/weocr/ocr_scene.cgi >result.txt"

That should work. exec also returns it's output in an array separated by newlines. So echo $result; will just print 'Array'. You may want to echo $result[0]; or consider using backticks or passthru.

Rather than executing the cURL in a separate shell though, I recommend the php cURL library: http://php.net/manual/en/book.curl.php

edited Jul 28, 2011 at 0:38

answered Jul 28, 2011 at 0:28

Paul

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Tak · Accepted Answer · 2011-07-28 00:28:54Z

0

libcurl will suit you better - it provides all the functions and error handling you'll need for using cURL in PHP.

answered Jul 28, 2011 at 0:28

Tak

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