mysqli->ssl_set() вЂ” Used for establishing secure connections using SSL
Object oriented style (method):
Used for establishing secure connections using SSL. It must be called before mysqli_real_connect(). This function does nothing unless OpenSSL support is enabled.
The path name to the key file.
The path name to the certificate file.
The path name to the certificate authority file.
The pathname to a directory that contains trusted SSL CA certificates in PEM format.
A list of allowable ciphers to use for SSL encryption.
Any unused SSL parameters may be given as NULL
This function always returns TRUE value. If SSL setup is incorrect mysqli_real_connect() will return an error when you attempt to connect.