php 获取网页链接代码

<?php

error_reporting(0);
header('Access-Control-Allow-Origin:*');
header('Content-type:text/html;charset=gb2312');

if($_GET['url'] ){

//header('Content-type: application/json'); 

echo $_GET['url'];

// echo curl($_GET['url']);
}

?>
<?php echo curl($_GET['url']);?>

<?php
function curl($url)
{

    /*if($pn){
        $pn= "&pn=".(($pn*50)-50);
    }else{
        $pn= "";
        
    }*/
    //$url = "https://www.baidu.com/s?ie=utf8&wd=". urlencode($url) ."&rn=50".$pn;
    set_time_limit(0);
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.81 Safari/537.36 SE 2.X MetaSr 1.0");
    curl_setopt($ch, CURLOPT_HEADER, false);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($ch, CURLOPT_MAXREDIRS,20);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 40);
    curl_setopt($ch, CURLOPT_URL, $url);
    $result = curl_exec($ch);
    curl_close($ch);
    //preg_match('/<title>(.*?)<\/title>/is', $result, $matches);
    //return $matches[1];
    return $result;

}
?>

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