<?php

$curl = curl_init();

curl_setopt_array($curl, array(
  CURLOPT_URL => "http://membersim.bseindia.com/stocks//AddOrder",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "OEToken=100&OENSEToken=-1&OEBSEToken=500180&OEDestination=1&OEMarket=1&OESymbol=HDFCBANK&OESeries=EQ&OEVolume=1&OEPrice=0.00&OETriggerPrice=&OEDisclosedVolume=&USBackOfficeId=TEST3-T9072&OEFIELD3=Y&OEBuySellIndicator=1&OEAlphaChar=50&OEActualApproverId=84&OEVolumeRemaining=&OEDisclosedVolumeRemaining=&OEAdminUSID=&=&=&OEStatus=&OEProClientIndicator=1&OEParticipantType=&OEIntuitionalClient=&OEGoodTillDate=2&IOC=0&=&=&=&=&OEBookType=1&=&OESegment=1&OEGroup=A&BlockDeal=N&OEReason=^&&&LoginKey=377584388-01023079075&Thick Client=Y&compressed=N",
  
  
  "OEToken=56&OENSEToken=-1&OEBSEToken=500110&OEDestination=1&OEMarket=1&OESymbol=CHENNPETRO&OESeries=EQ&OEVolume=1&OEPrice=0&OETriggerPrice=&OEDisclosedVolume=&USBackOfficeId=TEST3-T9072&OEFIELD3=Y&OEBuySellIndicator=1&OEAlphaChar=59&OEActualApproverId=84&OEVolumeRemaining=&OEDisclosedVolumeRemaining=&OEAdminUSID=&=&=&OEStatus=&OEProClientIndicator=1&OEParticipantType=&OEIntuitionalClient=&OEGoodTillDate=2&IOC=0&=&=&=&=&OEBookType=2&=&OESegment=1&OEGroup=B&BlockDeal=Y&OEReason=^&LoginKey=1621956767-01197253249&Thick%20Client=Y"
  CURLOPT_HTTPHEADER => array(
    "Accept: */*",
    "Cache-Control: no-cache",
    "Connection: keep-alive",
    "Postman-Token: 718e205b-adb9-4079-aa8c-3f79d0d61b79,1d75c00b-4fa8-43ea-a622-a73659ee7ea6",
    "User-Agent: PostmanRuntime/7.15.0",
    "accept-encoding: gzip, deflate",
    "cache-control: no-cache",
    "content-length: 544",
    "content-type: application/x-www-form-urlencoded",
    "expect: 100-continue",
    "host: membersim.bseindia.com",
    "proxy-connection: Keep-Alive"
  ),
));

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}