php采集常见方法和函数

作者:admin 日期:2009-04-03

$url="http://www.xxx.com/";
$user_agent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)";
$cookiefile="/tmp/getgb.txt";
$ch = curl_init();
curl_setopt ($ch, CURLOPT_URL, $url);
curl_setopt ($ch, CURLOPT_USERAGENT, $user_agent);
curl_setopt ($ch, CURLOPT_COOKIEJAR, $cookiefile);
curl_setopt ($ch, CURLOPT_HEADER, 1);
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1);
//curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt ($ch, CURLOPT_TIMEOUT, 60);
$result = curl_exec ($ch);

$result=str_replace(array(),array(),$result);

preg_match_all("/\d/",$result,$matches);

<?php
//获得当前的脚本网址
function get_php_url(){
        if(!empty($_SERVER["REQUEST_URI"])){
                $scriptName = $_SERVER["REQUEST_URI"];
                $nowurl = $scriptName;
        }else{
                $scriptName = $_SERVER["PHP_SELF"];
                if(empty($_SERVER["QUERY_STRING"])) $nowurl = $scriptName;
                else $nowurl = $scriptName."?".$_SERVER["QUERY_STRING"];
        }
        return $nowurl;
}
//把全角数字转为半角数字
function GetAlabNum($fnum){
        $nums = array("０","１","２","３","４","５","６","７","８","９");
        $fnums = "0123456789";
        for($i=0;$i<=9;$i++) $fnum = str_replace($nums[$i],$fnums[$i],$fnum);
        $fnum = ereg_replace("[^0-9\.]|^0{1,}","",$fnum);
        if($fnum=="") $fnum=0;
        return $fnum;
}
//去除HTML标记
function Text2Html($txt){
        $txt = str_replace(" ","　",$txt);
        $txt = str_replace("<","<",$txt);
        $txt = str_replace(">",">",$txt);
        $txt = preg_replace("/[\r\n]{1,}/isU","<br/>\r\n",$txt);
        return $txt;
}