1. 查看curl版本
在phpinfo中,可以查看
curl
cURL support |
enabled |
cURL Information |
7.35.0 |
Age |
3 |
Features |
AsynchDNS |
Yes |
Debug |
No |
GSS-Negotiate |
Yes |
IDN |
No |
IPv6 |
Yes |
Largefile |
Yes |
NTLM |
Yes |
SPNEGO |
Yes |
SSL |
Yes |
SSPI |
Yes |
krb4 |
No |
libz |
Yes |
CharConv |
No |
Protocols |
dict, file, ftp, ftps, gopher, http, https, imap, imaps, ldap, pop3, pop3s, rtsp, scp, sftp, smtp, smtps, telnet, tftp |
Host |
i386-pc-win32 |
SSL Version |
OpenSSL/0.9.8{ |
ZLib Version |
1.2.7 |
libSSH Version |
libssh2/1.4.2 |
1. ssl version对应的数字
CURL_SSLVERSION_DEFAULT (0) CURL_SSLVERSION_TLSv1 (1) CURL_SSLVERSION_SSLv2 (2) CURL_SSLVERSION_SSLv3 (3) CURL_SSLVERSION_TLSv1_0 (4) CURL_SSLVERSION_TLSv1_1 (5) CURL_SSLVERSION_TLSv1_2 (6)
2. 检测ssl兼容性的网站
https://www.ssllabs.com/ssltest/
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