sockets_io

<?php
#
# M.S.I. Angel Cantu Jauregui
# angel.cantu [a] sie-group.net
# http://www.sie-group.net
#
# obtiene datos por socket, segun peticion POST o GET
# data = array( stream, argumentos, datos_post );
function socket_iodata( $host, $data, $port )
    {
    $r='';

    $http_request  = "$data[0] $data[1] HTTP/1.0\r\n";
    $http_request .= "Host: $host\r\n";
    if( !strcmp($data[0], "POST") ) # si es post
        {
        if( $data[3] && !strcmp($data[3], "json") ) # datos json
            $http_request .= "Content-Type: application/json;\r\n";
        else
            $http_request .= "Content-Type: application/x-www-form-urlencoded;\r\n";
        $http_request .= "Content-Length: " . strlen($data[2]) . "\r\n";
        }
    #$http_request .= "User-Agent: reCAPTCHA/PHP\r\n";
    # $http_request .= "Connection: keep-alive\r\n";
    $http_request .= "\r\n";
    if( !strcmp($data[0], "POST") ) # si es post
        $http_request .= $data[2];

    if( !strcmp($port, "443") )
        $fullhost= 'ssl://'. $host;
    else        $fullhost= $host;

    if( ($fs = @fsockopen($fullhost, $port, $errno, $errstr, 10))==FALSE )
        {
        echo 'No se puede abrir socket :: ['. $errno. '] '. $errstr;
        }
    else
        {
        fwrite($fs, $http_request);

        while ( !feof($fs) )
            $r .= fgets($fs, 1160); // One TCP-IP packet
        fclose($fs);
        $r= explode("\r\n\r\n", $r, 2);
        return $r;
        }
    }

# obtiene datos por socket, segun peticion POST o GET
# data = array( stream, argumentos, datos_post );
function curl_iodata( $host, $data, $port )
    {
    $r='';
    $curl= curl_init($host.$data[1]); # inciamos url
    curl_setopt( $curl, CURLOPT_CUSTOMREQUEST, $data[0] );
    curl_setopt( $curl, CURLOPT_RETURNTRANSFER, true );
    if( !strcmp($data[0], "POST") ) # si es post
        {
        curl_setopt( $curl, CURLOPT_POSTFIELDS, $data[2] );
        if( $data[3] && !strcmp($data[3], "json") ) # datos json
            $contenido= array( 'Content-Type: application/json', 'Content-Length: '. strlen($data[2]));
        else        $contenido= array( 'Content-Type: application/x-www-form-urlencoded', 'Content-Length: '. strlen($data[2]));
        curl_setopt( $curl, CURLOPT_HTTPHEADER,  $contenido );
        curl_setopt( $curl, CURLOPT_POST, 1 );
        }
    $r= curl_exec($curl);
    curl_close($curl);
    return $r;
    }
?>