woocommerce_email_order_meta_keys │ filter-hook │ WC 2.3.0

Deprecated woocommerce_email_order_meta_keys filter.

Usage

add_filter( 'woocommerce_email_order_meta_keys', 'wp_kama_woocommerce_email_order_meta_keys_filter', 10, 2 );

/**
 * Function for `woocommerce_email_order_meta_keys` filter-hook.
 * 
 * @param  $array         
 * @param  $sent_to_admin 
 *
 * @return 
 */
function wp_kama_woocommerce_email_order_meta_keys_filter( $array, $sent_to_admin ){

	// filter...
	return $array;
}

$array

-

$sent_to_admin

-

Changelog

Where the hook is called

$_fields = apply_filters( 'woocommerce_email_order_meta_keys', array(), $sent_to_admin );

Where the hook is used in WooCommerce