PHP 对代理池的使用

没啥好说的，都在代码里

<?php
//获取新IP,并写入文件
function ip_file(){
    if(($fp=fopen("ip.txt","r"))==false){   
        echo "打开ip.txt失败!";
    }else{   
		/*
        $counter=fgets($fp,1024);       //读取文件中数据  
        fclose($fp);                    //关闭文本文件  
        */
	    $counter = get_ip();
        $fp=fopen("ip.txt","w");   //以写的方式打开文本文件<!---->  
        fputs($fp,$counter);            //将新的统计数据增加1  
        fclose($fp);      
    }
}
//读IP
function read_ip(){
	$fp=fopen("ip.txt","r");
	$ip=fgets($fp,1024);       //读取文件中数据  
	fclose($fp); 
	return $ip;
}
function get_ip()
{
	$url = 'https://proxy.357.im/api/proxies/stable?protocol=http&anonymity=high_anonymous';
	$curl = curl_init();
	curl_setopt($curl, CURLOPT_URL, $url);
	curl_setopt($curl, CURLOPT_HEADER, 0); 
	curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

	// 设置头信息（当用IP直接访问时，加这个如：https://baibu.com -> 220.15.23.5）
	// curl_setopt($ci, CURLOPT_HTTPHEADER, array('Host:baibu.com'));
	curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); //这个是重点,规避ssl的证书检查。
	curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE); // 跳过host验证
	$response = curl_exec($curl);
	$httpCode = curl_getinfo($curl,CURLINFO_HTTP_CODE);
	curl_close($curl);
	if($httpCode==200){
		$json = json_decode($response);
		//$str = $json[]['protocol']."://".$json['ip'].":".$json['port'];
		$json2 = $json->data;
		$json3 = json_to_array($json2);
		$str = $json3['protocol']."://".$json3['ip'].":".$json3['port'];
	}
	return $str;
}
function json_to_array($web){
    	$arr	= array();
    	foreach($web as $k=>$w){
    		if(is_object($w)) $arr[$k]=$this->json_to_array($w);  //判断类型是不是object
    		else $arr[$k]=$w;
    	}
    	return $arr;
}
//判断目标服务器是否挂掉
function isType(){
	$ch = curl_init("http://www.xulirun.com");
	$proxy = read_ip();
	curl_setopt ($ch, CURLOPT_PROXY, $proxy);
	curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
	$result = curl_exec($ch);
	$httpCode = curl_getinfo($curl,CURLINFO_HTTP_CODE);
	curl_close($ch);
	curl_close($curl);
	if($httpCode==200){
		return true; //没挂
	}else{
		return false;  //挂了
	}
	
}
ip_file();