[eluser]codex[/eluser]
curl seems to do a better job.
Code:
$file_name = $this->input->post('image_src');
$md5 = md5($file_name . rand());
$ch = curl_init($file_name);
$fp = fopen('./assets/photos/'. $md5 .'.jpg', 'w');
curl_setopt($ch, CURLOPT_FILE, $fp);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_exec($ch);
curl_close($ch);
fclose($fp);