PHP 获取SSL证书信息3

<?php
if($fp = tmpfile())
{

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"https://www.baidu.com/");
curl_setopt($ch, CURLOPT_STDERR, $fp);
curl_setopt($ch, CURLOPT_CERTINFO, 1);
curl_setopt($ch, CURLOPT_VERBOSE, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_NOBODY, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST,  2);
$result = curl_exec($ch);
curl_errno($ch)==0 or die("Error:".curl_errno($ch)." ".curl_error($ch));
fseek($fp, 0);//rewind
$str='';
while(strlen($str.=fread($fp,8192))==8192);
echo $str;
fclose($fp);

}
?>

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