Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
<?php
function get_tls_version($sslversion = null)
{
$c = curl_init();
curl_setopt($c, CURLOPT_URL, "https://www.howsmyssl.com/a/check");
curl_setopt($c, CURLOPT_RETURNTRANSFER, true);
if ($sslversion !== null) {
curl_setopt($c, CURLOPT_SSLVERSION, $sslversion);
}
$rbody = curl_exec($c);
if ($rbody === false) {
$errno = curl_errno($c);
$msg = curl_error($c);
curl_close($c);
return "Error! errno = " . $errno . ", msg = " . $msg;
} else {
$r = json_decode($rbody);
curl_close($c);
return $r->tls_version;
}
}
echo "<pre>\n";
echo "OS: " . PHP_OS . "\n";
echo "uname: " . php_uname() . "\n";
echo "PHP version: " . phpversion() . "\n";
$curl_version = curl_version();
echo "curl version: " . $curl_version["version"] . "\n";
echo "SSL version: " . $curl_version["ssl_version"] . "\n";
echo "SSL version number: " . $curl_version["ssl_version_number"] . "\n";
echo "OPENSSL_VERSION_NUMBER: " . dechex(OPENSSL_VERSION_NUMBER) . "\n";
echo "TLS test (default): " . get_tls_version() . "\n";
echo "TLS test (TLS_v1): " . get_tls_version(1) . "\n";
echo "TLS test (TLS_v1_2): " . get_tls_version(6) . "\n";
echo "</pre>\n";
?>
@DUARTETRUMP

This comment has been minimized.

Copy link

DUARTETRUMP commented Jul 9, 2018

awesome

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.