__get_option() │ WP 1.5.1

Utility version of get_option that is private to installation/upgrade.

Internal function — this function is designed to be used by the kernel itself. It is not recommended to use this function in your code.

No Hooks.

Return

Mixed.

Usage

__get_option( $setting );
$setting(string) (required)
Option name.

Notes

  • Global. wpdb. $wpdb WordPress database abstraction object.

Changelog

Since 1.5.1 Introduced.

__get_option() code WP 6.5.2

wp-admin/includes/upgrade.php 
function __get_option( $setting ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
	global $wpdb;

	if ( 'home' === $setting && defined( 'WP_HOME' ) ) {
		return untrailingslashit( WP_HOME );
	}

	if ( 'siteurl' === $setting && defined( 'WP_SITEURL' ) ) {
		return untrailingslashit( WP_SITEURL );
	}

	$option = $wpdb->get_var( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s", $setting ) );

	if ( 'home' === $setting && ! $option ) {
		return __get_option( 'siteurl' );
	}

	if ( in_array( $setting, array( 'siteurl', 'home', 'category_base', 'tag_base' ), true ) ) {
		$option = untrailingslashit( $option );
	}

	return maybe_unserialize( $option );
}