Overview
KB
Technical FAQ
PHP Manual
CSS2 Manual
HTML Manual
JS Guide
JS Reference
PhpDock Manual
Nu-Coder Manual
PhpExpress Manual
PHP Joomla
Development
Learn PHP
 
<mysqli::$sqlstatemysqli::stat>
^mysqliLast updated: Mon, 26 Oct 2026

mysqli::ssl_set

mysqli_ssl_set

(PHP 5, PHP 7, PHP 8)

mysqli::ssl_set -- mysqli_ssl_set — Used for establishing secure connections using SSL

Description

Object-oriented style

public function mysqli::ssl_set(
    ?string $key,
    ?string $certificate,
    ?string $ca_certificate,
    ?string $ca_path,
    ?string $cipher_algos
): true

Procedural style

function mysqli_ssl_set(
    mysqli $mysql,
    ?string $key,
    ?string $certificate,
    ?string $ca_certificate,
    ?string $ca_path,
    ?string $cipher_algos
): true

Used for establishing secure connections using SSL. It must be called before mysqli_real_connect(). This function does nothing unless OpenSSL support is enabled.

Parameters

mysql

Procedural style only: A mysqli object returned by mysqli_connect() or mysqli_init()

key

The path name to the key file.

certificate

The path name to the certificate file.

ca_certificate

The path name to the certificate authority file.

ca_path

The pathname to a directory that contains trusted SSL CA certificates in PEM format.

cipher_algos

A list of allowable ciphers to use for SSL encryption.

Return Values

Always returns true. If SSL setup is incorrect mysqli_real_connect() will return an error when you attempt to connect.

See Also


<mysqli::$sqlstatemysqli::stat>
^mysqliLast updated: Mon, 26 Oct 2026