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getSslCertCn

Note

This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information.

Returns Common Name attribute of the TLS certificate presented by MySQL server

public function getSslCertCn(): string;

This information can be used while troubleshooting TLS handshake failures happening on connect stage.

Returns​

  • string - a string containing Common Name value from the server certificate presented by MySQL.