woocommerce_coupon_code │ filter-hook │ WC 3.0.0

Format a coupon code.

Usage

add_filter( 'woocommerce_coupon_code', 'wp_kama_woocommerce_coupon_code_filter' );

/**
 * Function for `woocommerce_coupon_code` filter-hook.
 * 
 * @param string $value Coupon code to format.
 *
 * @return string
 */
function wp_kama_woocommerce_coupon_code_filter( $value ){

	// filter...
	return $value;
}

$value(string)

Coupon code to format.

Changelog

Where the hook is called

return apply_filters( 'woocommerce_coupon_code', $value );

Where the hook is used in WooCommerce

add_filter( 'woocommerce_coupon_code', 'html_entity_decode' );

add_filter( 'woocommerce_coupon_code', 'wc_sanitize_coupon_code' );

add_filter( 'woocommerce_coupon_code', 'wc_strtolower' );