header("Content-Type:text/html;charset=gbk");
$message=$_POST['message'];
$contents = @file_get_contents("$message");
if($contents=="Forbidden"){
$ch = curl_init();
$timeout = 5;
curl_setopt ($ch, CURLOPT_URL, "$message");
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$contents = curl_exec($ch);
curl_close($ch);
}
preg_match_all("/<title(.*?)</title>/is",$contents,$title);
preg_match_all("/<meta(.*?)>/is",$contents,$meta);
preg_match_all("/<body(.*?)body>/is",$contents,$body);
echo 'title:'.strip_tags($title[0][0]).'<br><br>';
for($i=0;$i<count($meta[0]);$i++){
if(preg_match("/keywords/i",$meta[0][$i])){
preg_match_all("/content="(.*?)"/is",$meta[0][$i],$keywords);
}
if(preg_match("/description/i",$meta[0][$i])){
preg_match_all("/content="(.*?)"/is",$meta[0][$i],$description);
}
}
echo 'keywords:'.strip_tags($keywords[1][0]).'<br><br>';
echo 'description:'.strip_tags($description[1][0]).'<br><br>';
echo 'body:'.strip_tags($body[0][0]);
?>
$path=c:;
echo is_dir($path)?'t':'f';
如果c:、在就是输出t反之就是f
mkdir 作用是用来创建目录下面再来看看简单的is_dir与mkdir实现吧。
private function checkPath($path){
if(is_dir($path)){
return true;
}elseif(@mkdir($path)){
return true;
}
return false;
}
本站原创转注明www.111cn.net/phper/php.html
百度收录查询代码function baidu(){
global $day,$message,$num,$page,$content;
$url="http://www.baidu.com/s?q1=&q2=&q3=&q4=&rn=10&lm=$day&ct=0&tn=downreg&ft=&q5=&q6=$message";
$contents=@file_get_contents($url);
preg_match_all("/百度一下,找到相关网页(.*?)篇/is",$contents,$num);
preg_match_all("/<table border="0" cellpadding="0" cellspacing="0">(.*?)</table>/is",$contents,$content);
preg_match_all("/<div class="p">(.*?)</div>/is",$contents,$page);
}
php ,模拟,搜索引擎,访问网页时是否带有一些相关参数下面我们就来模仿搜索引擎访问网站吧。
<?php
function GetPage($url)
{
$buf=parse_url($url);
if($buf['scheme']=="http")//如果是URL
{
$host=$buf['host'];
$page=$buf['path'];
if(trim($buf['query'])!=="") $page.="?".trim($buf['query']);
$myHeader="GET $url HTTP/1.1rn";
$myHeader.="Host: $hostrn";
$myHeader.="Connection: closern";
$myHeader.="Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5rn";
$myHeader.="Accept-Language: zh-cn,zh;q=0.5rn";
$myHeader.="Accept-Charset: gb2312,utf-8;q=0.7,*;q=0.7rn";
$myHeader.="User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.7.6) Gecko/20050226 Firefox/1.0.1 Web-Sniffer/1.0.20rn";
$myHeader.="Referer: http://$host/rnrn";
$server=$host;
$port=80;
$res="";
if(false!==($fp = @fsockopen ($server, $port, $errno, $errstr, 30)))
{
@fputs ($fp, $myHeader);
while (!@feof($fp)) $res.= @fgets ($fp, 1024);
@fclose ($fp);
}
else return false;
if(strlen($res)==0) return false;
return $res;
}
else//如果是本地文件
{
$fileName=$url;
if(false!==@file_exists($fileName))
{
if(false!==($buf=@implode("",file($fileName)))&&@strlen($buf)>0)
{
return $buf;
}
else return false;
}
else return false;
}
}
function GetContent($str,$x,$y){
$tem=strstr($str,$x);
return substr($tem,0, strpos($tem,$y));
}
?>
$magic_quotes_gpc = get_magic_quotes_gpc();
$register_globals = @ini_get('register_globals');
if(!$register_globals || !$magic_quotes_gpc) {
extract($mc->daddslashes($_GET ), EXTR_OVERWRITE);
extract($mc->daddslashes($_POST), EXTR_OVERWRITE);
if(!$magic_quotes_gpc) {
$_SERVER = $mc->daddslashes($_SERVER);
$_COOKIE = $mc->daddslashes($_COOKIE);
}
}