<?php 
function login($url,$data){
	$fp=fopen("cookie.txt","w");
	fclose($fp);
	$login=curl_init();
	curl_setopt($login,CURLOPT_COOKIEJAR,"cookie.txt");
	curl_setopt($login,CURLOPT_COOKIEFILE,"cookie.txt");
	curl_setopt($login,CURLOPT_TIMEOUT,40000);
	curl_setopt($login,CURLOPT_RETURNTRANSFER,TRUE);
	curl_setopt($login,CURLOPT_URL,$url);
	curl_setopt($login,CURLOPT_USERAGENT,$_SERVER['HTTP_USER_AGENT']);
	curl_setopt($login,CURLOPT_FOLLOWLOCATION,TRUE);
	curl_setopt($login,CURLOPT_POST,TRUE);
	curl_setopt($login,CURLOPT_POSTFIELDS,$data);
	ob_start();
	return curl_exec($login);
	ob_end_clean();
	curl_close($login);
	unset($login);
}


function grab_page($site){
	$ch=curl_init();
	curl_setopt($ch,CURLOPT_RETURNTRANSFER,TRUE);
	curl_setopt($ch,CURLOPT_USERAGENT,$_SERVER['HTTP_USER_AGENT']);
	curl_setopt($ch,CURLOPT_TIMEOUT,40);
	curl_setopt($ch,CURLOPT_COOKIEFILE,"cookie.txt");
	curl_setopt($ch,CURLOPT_URL,$site);
	ob_start();
	return curl_exec($ch);
	ob_end_clean();
	curl_close($ch);
}

function post_data($site,$data){
	$datapost=curl_init();
	$headers=array("Expect:");
	curl_setopt($datapost,CURLOPT_URL,$site);
	curl_setopt($datapost,CURLOPT_TIMEOUT,40000);
	curl_setopt($datapost,CURLOPT_HEADER,TRUE);
	curl_setopt($datapost,CURLOPT_HTTPHEADER,$headers);
	curl_setopt($datapost,CURLOPT_USERAGENT,$_SERVER['HTTP_USER_AGENT']);
	curl_setopt($datapost,CURLOPT_POST,TRUE);
	curl_setopt($datapost,CURLOPT_POSTFIELDS,$data);
	curl_setopt($datapost,CURLOPT_COOKIEFILE,"cookie.txt");
	ob_start();
	return curl_exec($datapost);
	ob_end_clean();
	curl_close($datapost);
	unset($datapost);
}
?>


<?php 
	login("http://intraunap.unapiquitos.edu.pe/fenix/intranet/seguridad/wbaPersonaGralCambio.aspx","_VIEWSTATE=dDwtMTkwNDQ0Mjc4NTt0PDtsPGk8MT47PjtsPHQ8O2w8aTwxMz47PjtsPHQ8cDxwPGw8VGV4dDs%2BO2w8VXN1YXJpbyB5IGNsYXZlIG5vIHbDoWxpZG9zOz4%2BOz47Oz47Pj47Pj47Puiju8N035%2BxBz%2Fb%2BBw6yD2DoUyA&txtUsuario=eocampo5924&pwd=sistem&btnAceptar=Aceptar+");
	echo grab_page("http://intraunap.unapiquitos.edu.pe/fenix/intranet/seguridad/wbaPersonaGralCambio.aspx");
?>