PHP获取新浪天气数据

<?php
/**
* 获取新浪天气数据
*
* Project: Product Library Management System

*
* Site: http://www.cnblogs.com/wgw8299
*
* $Id: index.php 241 2009-11-30 00:14:01 wgw8299 $
*
* Copyright (C) 2008-2009 Tiwer All Rights Reserved.
*/

/**
* 获取URL地址内容
*
* @param string $url 地址
*
* @return mixed
*/
function getUrlContent($url) {

$url_parsed = parse_url($url);
$host = $url_parsed['host'];
$port = $url_parsed['port'];

/* Port */
if ( $port == 0 ) {
$port = 80;
}

/* Path */
$path = $url_parsed['path'];
if (empty($path)) {
$path = "/";
}

/* query */
if ( $url_parsed['query'] != "" ) {
$path .= "?".$url_parsed['query'];
}

/* Open Page Content */
$out = "GET {$path} HTTP/1.0\r\nHost: {$host}\r\n\r\n";
if ($fp = @fsockopen( $host, $port, $errno, $errstr, 30 )) {
fwrite($fp,$out);
$body = false;
while (!feof($fp)) {
$s = fgets($fp,1024);
if ($body) {
$in .= $s;
}
if ( $s == "\r\n" ) {
$body = true;
}
}
fclose($fp);
return $in;
} else {
return false;
}
}

/*  生成JS代码  */
$conttent = getUrlContent("http://php.weather.sina.com.cn/search.php?city=独山&c=1&dpc=1");
preg_match_all('/javascript:sent_to_vb(.*)i6/isU', $conttent, $match_img);

$var =  explode("'" , $match_img[1][0]);
echo "document.write('". $var[3] . "');\n";
?>