curl請(qǐng)求時(shí)添加請(qǐng)求頭信息可以模擬真人操作，不容易被當(dāng)成是爬蟲機(jī)器人（采集），從而可以繞過Incapsula等安全驗(yàn)證機(jī)制。
?php
/**
* 開始訪問請(qǐng)求
* @param $url
* @return bool|string
*/
function fetch_url($url) {
$header = FormatHeader($url);
$useragent = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:83.0) Gecko/20100101 Firefox/83.0';
$timeout= 120;
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_FAILONERROR, true);
//設(shè)置請(qǐng)求頭信息
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
//不取得返回頭信息
curl_setopt($ch, CURLOPT_HEADER, 0);
// 關(guān)閉https驗(yàn)證
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true );
curl_setopt($ch, CURLOPT_ENCODING, "" );
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt($ch, CURLOPT_AUTOREFERER, true );
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout );
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout );
curl_setopt($ch, CURLOPT_MAXREDIRS, 10 );
curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
$content = curl_exec($ch);
if(curl_errno($ch))
{
echo 'Error:' . curl_error($ch);
}
else
{
return $content;
}
curl_close($ch);
}
//添加請(qǐng)求頭
function FormatHeader($url)
{
// 解析url
$temp = parse_url($url);
$query = isset($temp['query']) ? $temp['query'] : '';
$path = isset($temp['path']) ? $temp['path'] : '/';
$header = array (
"POST {$path}?{$query} HTTP/1.1",
"Host: {$temp['host']}",
"Referer: http://{$temp['host']}/",
"Content-Type: text/xml; charset=utf-8",
'Accept: application/json, text/javascript, */*; q=0.01',
'Accept-Encoding:gzip, deflate, br',
'Accept-Language:zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2',
'Connection:keep-alive',
'User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:83.0) Gecko/20100101 Firefox/83.0',
'X-Requested-With: XMLHttpRequest',
);
return $header;
}
?>
到此這篇關(guān)于php的curl攜帶header請(qǐng)求頭信息實(shí)現(xiàn)http訪問的方法的文章就介紹到這了,更多相關(guān)php的curl請(qǐng)求頭信息實(shí)現(xiàn)http訪問內(nèi)容請(qǐng)搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家！
