php - POST works on Postman, but not with CURL -


using postman, send post (my username , password filled in): 

https://ssl.reddit.com/api/login?api_type=json&user=xxx&passwd=xxx&rem=true

i receive response containing modhash , cookie. then, send second post postman to:

https://en.reddit.com/api/comment?api_type=json&text=7/1/15test&thing_id=t1_csa56v2

with following headers (xxx has been confirmed , filled in):

user-agent: xxx cookie: reddit_session=xxx x-modhash: xxx

this provides correct response, when try same thing curl in php, responds user_required. once again, have confirmed cookie , modhash correct.

$name = 't1_csa56v2'; $text = 'newest test 7/2/15 12:20am'; $url = 'https://en.reddit.com/api/comment';  $modhash = 'xxx'; $cookie = 'xxx';  $headerfields = array (     'user-agent' => 'xxx',     'cookie' => 'reddit_session='.$cookie,     'x-modhash' => $modhash  );  $postfields = array (     'api_type' => 'json',     'text' => $text,     'thing_id' => $name );   $field_string = http_build_query($postfields);  $ch = curl_init($url); curl_setopt($ch, curlopt_httpheader, $headerfields); curl_setopt($ch, curlopt_returntransfer, 1); curl_setopt($ch, curlopt_post, 3); curl_setopt($ch, curlopt_postfields, $field_string); $response = curl_exec($ch);

what doing wrong? why can't same response?

screenshot of postman: screenshot of postman

<?php  error_reporting(e_all); $name = 't1_csa56v2'; $text = 'newest test 7/2/15 12:20am'; $url = 'https://en.reddit.com/api/comment';  $modhash = 'xxx'; $cookie = 'xxx';  $headerfields = array (     'x-modhash' => $modhash  );  $postfields = array (     'api_type' => 'json',     'text' => $text,     'thing_id' => $name );    $ch = curl_init($url); assert(curl_setopt_array($ch, array(         curlopt_autoreferer => true,         curlopt_binarytransfer => true,         curlopt_cookiesession => true,         curlopt_followlocation => true,         curlopt_forbid_reuse => false,         curlopt_returntransfer => true,         curlopt_ssl_verifypeer => false,         curlopt_connecttimeout => 10,         curlopt_timeout => 11,         curlopt_encoding=>"",         curlopt_useragent=>'xxx',         curlopt_cookie=>'reddit_session='.$cookie,         curlopt_httpheader=>$headerfields,         curlopt_post=>true,         curlopt_postfields=>$postfields, ))); $response = curl_exec($ch);

try this.. not sure wrong, user agent should set curlopt_useragent , , cookie should set curlopt_cookie , should let curl encode you, rather using http_build_query , , should explicitly set post request, request default. should enable e_all error reporting


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