2013最新可用php获取谷歌pr值方法

1.是针对35dir程序获取pr问题

2.是独立的PHP获取pr程序

1.针对35dirpr值获取问题

修改\source\module\webdate.php

搜索 get_pagerank函数 修改为以下代码 即可

function get_pagerank($url) {
	//require(APP_PATH.'include/pagerank.php');
	//$pr = new PageRank();
	//$rank = $pr->getGPR($url);
	//return $rank;
	$data = get_url_content("http://pr.linkhelper.cn/getpr.asp?queryurl=$url&show=1");
	if (preg_match('/<a(.*?)>(\d+)<\/a>/i', $data, $matches)) {
		$rank = intval($matches[2]);
	} else {
		$rank = 0;
	}
	return $rank;
}

2.PHP通用获取PR值 以下代码保存为pr.php放在根目录  调用方法 www.xxx.com/pr.php?url=skyfox.org 

<?php
$url=$_GET['url']; 
$data = get_url_content("http://pr.linkhelper.cn/getpr.asp?queryurl=$url&show=1");
preg_match('/<a(.*?)>(\d+)<\/a>/i', $data, $matches);
$rank = intval($matches[2]);
print_r($rank);

/** 获取指定URL内容 */
function get_url_content($url) {
	if (empty($url)) {
    	return false;
	}

	if (substr($url, 0, 7) != 'http://') {
		$url = 'http://'.$url;
	}

	$timeout = 30;
    $data = '';
    for ($i = 0; $i < 5 && empty($data); $i++) {
		if (function_exists('curl_init')) {
			$ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0');

        	$data = curl_exec($ch);
			$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
			if ($http_code != '200') {
				return false;
			}
        } elseif (function_exists('fsockopen')) {
			$params = parse_url($url);
			$host = $params['host'];
			$path = $params['path'];
			$query = $params['query'];
			$fp = @fsockopen($host, 80, $errno, $errstr, $timeout);
			if (!$fp) {
				return false;
			} else {
				$result = '';
				$out = "GET /" . $path . '?' . $query . " HTTP/1.0\r\n";
				$out .= "Host: $host\r\n";
				$out .= "Connection: Close\r\n\r\n";
				@fwrite($fp, $out);
				$http_200 = preg_match('/HTTP.*200/', @fgets($fp, 1024));
				if (!$http_200) {
					return false;
				}

				while (!@feof($fp)) {
                if ($get_info) {
                    $data .= @fread($fp, 1024);
                } else {
                    if (@fgets($fp, 1024) == "\r\n") {
                        $get_info = true;
                    }
                }
            }
            @fclose($fp);
        }
        } elseif (function_exists( 'file_get_contents')) {
			if (!get_cfg_var('allow_url_fopen')) {
				return false;
			}
            $context = stream_context_create(
				array('http' => array('timeout' => $timeout))
			);
            $data = @file_get_contents($url, false, $context);
        } else {
			return false; 
		}
	}

	if (!$data) {
		return false;
    } else {
		$encode = mb_detect_encoding($data, array('ascii', 'gb2312', 'utf-8', 'gbk'));
		if ($encode == 'EUC-CN' || $encode == 'CP936') {
			$data = @mb_convert_encoding($data, 'utf-8', 'gb2312');
		}

        return $data;
	}
}

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