wc_normalize_postcode() │ WC 2.6.0

Normalize postcodes.

Remove spaces and convert characters to uppercase.

No Hooks.

Returns

String.

Usage

wc_normalize_postcode( $postcode );
$postcode(string) (required)
Postcode.

Changelog

Since 2.6.0 Introduced.

wc_normalize_postcode() code WC 10.6.2

woocommerce/includes/wc-formatting-functions.php 
function wc_normalize_postcode( $postcode ) {
	return preg_replace( '/[\s\-]/', '', trim( wc_strtoupper( $postcode ?? '' ) ) );
}