在php中使用curl库访问https,具体方法以下:
function curlPost($url, $data = array(), $timeout = 30, $CA = true){
$cacert = getcwd() . '/cacert.pem'; //CA根证书
$SSL = substr($url, 0, 8) == "https://" ? true : false;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout⑵);
if ($SSL && $CA) {
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true); // 只信任CA颁布的证书
curl_setopt($ch, CURLOPT_CAINFO, $cacert); // CA根证书(用来验证的网站证书是否是是CA颁布)
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); // 检查证书中是否是设置域名,并且是否是与提供的主机名匹配
} else if ($SSL && !$CA) {
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 信任任何证书
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 1); // 检查证书中是否是设置域名
}
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Expect:')); //避免data数据太长问题
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
//curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data)); //data with URLEncode
$ret = curl_exec($ch);
//var_dump(curl_error($ch)); //查看报错信息
curl_close($ch);
return $ret;
}
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