Please, I need help with curl and php

Hi, I´m making a little application with php and curl, but I´m a newby with curl. Please help me with the next script. I used to use this in order to make a connection with an specific site on the console ms-dos (windows), how can i translate this into php code? curl -x proxy_url:proxy_port -U proxy_user:proxy_pass --cert cert.pem:cert_pass --cert-type PEM -k -c cookie.txt -d "txtUser=user_loguin&txtPass=pass_loguin" url_required<https://renat.segob.gob.mx/AppRNT/validacion/valida.php> I tried with this, but it doesn't work fine $ch = curl_init(); curl_setopt($ch, CURLOPT_COOKIEJAR, $f_path); curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1); curl_setopt($ch, CURLOPT_PROXY, $proxurl); curl_setopt($ch,CURLOPT_PROXYPORT,$proxport); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1); curl_setopt($ch, CURLOPT_CAINFO, $fichero); curl_setopt($ch, CURLOPT_PROXYUSERPWD, "'".$proxyu.":".$proxyp."'"); curl_setopt($ch,CURLOPT_SSLCERT,$fichero); curl_setopt($ch,CURLOPT_SSLCERTTYPE, "pem"); curl_setopt($ch,CURLOPT_SSLCERTPASSWD,$pcert); curl_setopt($ch,CURLOPT_USERPWD,"'".$usr.":".$pwd."'"); curl_setopt($ch,CURLOPT_URL,$url); curl_setopt($ch, CURLOPT_TIMEOUT, 0); curl_setopt($ch, CURLOPT_HEADER, 1); $HTTP_Response1 = curl_exec($ch); Thanks and recards