wpdb::__construct │ public │ WP 2.0.8

Connects to the database server and selects a database.

Does the actual setting up of the class properties and connection to the database.

Method of the class: wpdb{}

No Hooks.

Returns

null. Nothing (null).

Usage

global $wpdb;
$wpdb->__construct( $dbuser, $dbpassword, $dbname, $dbhost );

$dbuser(string) (required)

Database user.

$dbpassword(string) (required)

Database password.

It has the attribute #[\SensitiveParameter], which hides the value of the parameter from logs. It is used to protect sensitive data (for example, passwords). Documentation.

$dbname(string) (required)

Database name.

$dbhost(string) (required)

Database host.

Changelog

wpdb::__construct() wpdb:: construct code ^{WP 6.8.1}

public function __construct(
	$dbuser,
	#[\SensitiveParameter]
	$dbpassword,
	$dbname,
	$dbhost
) {
	if ( WP_DEBUG && WP_DEBUG_DISPLAY ) {
		$this->show_errors();
	}

	$this->dbuser     = $dbuser;
	$this->dbpassword = $dbpassword;
	$this->dbname     = $dbname;
	$this->dbhost     = $dbhost;

	// wp-config.php creation will manually connect when ready.
	if ( defined( 'WP_SETUP_CONFIG' ) ) {
		return;
	}

	$this->db_connect();
}