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 DUARTETRUMP commented Jul 9, 2018

awesome

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment