php - Curl: POSTs converting to GETs -

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i designing simple twitter login script curl , when try execute it, login form sent when sending post. due header of user's homepage displayed in browser.

any input appreciated.

<?php  function tw_connect($user, $pwd) {  $agent = "mozilla/5.0 (windows; u; windows nt 5.2; en-us; rv:1.9.2.16) gecko/20110319 firefox/3.6.16"; $ch = curl_init('http://www.twitter.com'); curl_setopt($ch, curlopt_followlocation, true); curl_setopt($ch, curlopt_returntransfer, true); $c = curl_exec($ch); curl_close($ch); preg_match_all('#authenticity_token" type="hidden" value="(.*)"#u', $c, $g); $g = $g[1][0];  $post = 'authenticity_token=' . trim($g[1]) . '&authenticity_token=' . trim($g[1]) .     '&return_to_ssl=false&redirect_after_login=&session' . urlencode("[username_or_email]") .      '=' . $user . '&'  . urlencode("session[password]") . '=' . $pwd . '&commit=' . urlencode("sign in"); $ch2 = curl_init('https://twitter.com/sessions');  curl_setopt($ch2, curlopt_useragent, $agent); curl_setopt($ch2, curlopt_referer, 'http://twitter.com/'); curl_setopt($ch2, curlopt_post, true); curl_setopt($ch2, curlopt_postfields, $post); curl_setopt($ch2, curlopt_cookiefile, 'cookie.txt'); curl_setopt($ch2, curlopt_cookiejar, 'cookie.txt'); curl_setopt($ch2, curlopt_followlocation, true); curl_setopt($ch2, curlopt_httpheader, array('expect:')); curl_setopt($ch2, curlopt_cookiesession, true); curl_setopt($ch2, curlopt_ssl_verifypeer, false); curl_setopt($ch2, curlopt_returntransfer, true); $v = curl_exec($ch2);  echo $v;  }  tw_connect('username','password');  ?>

i think problem this:

curl_setopt($ch2, curlopt_followlocation, true);

when redirecting through location header, post dropped , request turned get. i'm not sure if it's necessary here or not.


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