wpdb::__construct( string $dbuser , string $dbpassword , string $dbname , string $dbhost )

Connects to the database server and selects a database.

Description

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

Parameters

$dbuser string required: Database user.
$dbpassword string required: Database password.
$dbname string required: Database name.
$dbhost string required: Database host.

Source

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();
}

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Uses	Description
wpdb::show_errors() `wp-includes/class-wpdb.php`	Enables showing of database errors.
wpdb::db_connect() `wp-includes/class-wpdb.php`	Connects to and selects database.

Used by	Description
require_wp_db() `wp-includes/load.php`	Loads the database class file and instantiates the `$wpdb` global.

Changuelog

Versionen	Description
2.0.8	Introduced.

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