用php的fsocket模拟get提交模拟post提交表单

<?php
//fsocket模拟post提交
$purl = "http://www.baidu.com";
print_r(parse_url($url));
sock_post($purl, "parm=ping");

//fsocket模拟get提交
function sock_get($url, $query)
{
    $info = parse_url($url);
    $fp   = fsockopen($info["host"], 80, $errno, $errstr, 3);
    $head = "GET " . $info['path'] . "?" . $info["query"] . " HTTP/1.0rn";
    $head .= "Host: " . $info['host'] . "rn";
    $head .= "rn";
    $write = fputs($fp, $head);
    while (!feof($fp)) {
        $line = fread($fp, 4096);
        echo $line;
    }
}
sock_post($purl, "parm=ping");

function sock_post($url, $query)
{
    $info = parse_url($url);
    $fp   = fsockopen($info["host"], 80, $errno, $errstr, 3);
    $head = "POST " . $info['path'] . "?" . $info["query"] . " HTTP/1.0rn";
    $head .= "Host: " . $info['host'] . "rn";
    $head .= "Referer: http://" . $info['host'] . $info['path'] . "rn";
    $head .= "Content-type: application/x-www-form-urlencodedrn";
    $head .= "Content-Length: " . strlen(trim($query)) . "rn";
    $head .= "rn";
    $head .= trim($query);
    $write = fputs($fp, $head);
    while (!feof($fp)) {
        $line = fread($fp, 4096);
        echo $line;
    }
}

?>