沧海一粟

<?php
    function http($url){
    $ch = curl_init();  
    $curlurl = $url;  
    $referurl = $url;  
    $ip=mt_rand(11, 191).".".mt_rand(0, 240).".".mt_rand(1, 240).".".mt_rand(1, 240);   //随机ip  
    $agentarry=[  
      //PC端的UserAgent  
      "safari 5.1 – MAC"=>"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.57 Safari/536.11",  
      "safari 5.1 – Windows"=>"Mozilla/5.0 (Windows; U; Windows NT 6.1; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50",  
      "Firefox 38esr"=>"Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0",  
      "IE 11"=>"Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729; InfoPath.3; rv:11.0) like Gecko",  
      "IE 9.0"=>"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0",  
      "IE 8.0"=>"Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)",  
      "IE 7.0"=>"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)",  
      "IE 6.0"=>"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)",  
      "Firefox 4.0.1 – MAC"=>"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0.1) Gecko/20100101 Firefox/4.0.1",  
      "Firefox 4.0.1 – Windows"=>"Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1",  
      "Opera 11.11 – MAC"=>"Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; en) Presto/2.8.131 Version/11.11",  
      "Opera 11.11 – Windows"=>"Opera/9.80 (Windows NT 6.1; U; en) Presto/2.8.131 Version/11.11",  
      "Chrome 17.0 – MAC"=>"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_0) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11",  
      "傲游（Maxthon）"=>"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Maxthon 2.0)",  
      "腾讯TT"=>"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; TencentTraveler 4.0)",  
      "世界之窗（The World） 2.x"=>"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)",  
      "世界之窗（The World） 3.x"=>"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; The World)",  
      "360浏览器"=>"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; 360SE)",  
      "搜狗浏览器 1.x"=>"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; SE 2.X MetaSr 1.0; SE 2.X MetaSr 1.0; .NET CLR 2.0.50727; SE 2.X MetaSr 1.0)",  
      "Avant"=>"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Avant Browser)",  
      "Green Browser"=>"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)",  
      //移动端口  
      "safari iOS 4.33 – iPhone"=>"Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5",  
      "safari iOS 4.33 – iPod Touch"=>"Mozilla/5.0 (iPod; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5",  
      "safari iOS 4.33 – iPad"=>"Mozilla/5.0 (iPad; U; CPU OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5",  
      "Android N1"=>"Mozilla/5.0 (Linux; U; Android 2.3.7; en-us; Nexus One Build/FRF91) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1",  
      "Android QQ浏览器 For android"=>"MQQBrowser/26 Mozilla/5.0 (Linux; U; Android 2.3.7; zh-cn; MB200 Build/GRJ22; CyanogenMod-7) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1",  
      "Android Opera Mobile"=>"Opera/9.80 (Android 2.3.4; Linux; Opera Mobi/build-1107180945; U; en-GB) Presto/2.8.149 Version/11.10",  
      "Android Pad Moto Xoom"=>"Mozilla/5.0 (Linux; U; Android 3.0; en-us; Xoom Build/HRI39) AppleWebKit/534.13 (KHTML, like Gecko) Version/4.0 Safari/534.13",  
      "BlackBerry"=>"Mozilla/5.0 (BlackBerry; U; BlackBerry 9800; en) AppleWebKit/534.1+ (KHTML, like Gecko) Version/6.0.0.337 Mobile Safari/534.1+",  
      "WebOS HP Touchpad"=>"Mozilla/5.0 (hp-tablet; Linux; hpwOS/3.0.0; U; en-US) AppleWebKit/534.6 (KHTML, like Gecko) wOSBrowser/233.70 Safari/534.6 TouchPad/1.0",  
      "UC标准"=>"NOKIA5700/ UCWEB7.0.2.37/28/999",  
      "UCOpenwave"=>"Openwave/ UCWEB7.0.2.37/28/999",  
      "UC Opera"=>"Mozilla/4.0 (compatible; MSIE 6.0; ) Opera/UCWEB7.0.2.37/28/999",  
      "微信内置浏览器"=>"Mozilla/5.0 (Linux; Android 6.0; 1503-M02 Build/MRA58K) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/37.0.0.0 Mobile MQQBrowser/6.2 TBS/036558 Safari/537.36 MicroMessenger/6.3.25.861 NetType/WIFI Language/zh_CN",  
       // ""=>"",  
      
    ];  
    //$useragent="Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.57 Safari/536.11";  //要得到类似这样useranget 可以自定义  
    $useragent=$agentarry[array_rand($agentarry,1)];  //随机浏览器useragent  
    $header = array(  
      'CLIENT-IP:'.$ip,  
      'X-FORWARDED-FOR:'.$ip,  
    );    //构造ip  
    curl_setopt($ch, CURLOPT_URL, $curlurl); //要抓取的网址  
    curl_setopt($ch, CURLOPT_HTTPHEADER, $header);  
    curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);  
    curl_setopt($ch, CURLOPT_REFERER, $referurl);  //模拟来源网址  
    curl_setopt($ch, CURLOPT_USERAGENT, $useragent); //模拟常用浏览器的useragent  
      
    $page_content = curl_exec($ch);  
    curl_close($ch);  
    return $page_content;  
  }