Automattic\WooCommerce\Vendor\League\ISO3166

ISO3166::numeric │ public │ WC 1.0

Method of the class: ISO3166{}

No Hooks.

Returns

array{name: string, alpha2: string, alpha3: string, numeric: numeric-string, currency: string[]}.

Usage

$ISO3166 = new ISO3166();
$ISO3166->numeric( $numeric ): array;
$numeric(string) (required)
.

ISO3166::numeric() code WC 11.0.1

woocommerce/lib/packages/League/ISO3166/ISO3166.php 
public function numeric(string $numeric): array
{
    Guards::guardAgainstInvalidNumeric($numeric);

    return $this->lookup(self::KEY_NUMERIC, $numeric);
}