<option value="customer"><?php esc_html_e( 'Note to customer', 'invoicing' ); ?></option>
34
</select>
35
<a href="#" class="add_note button"><?php esc_html_e( 'Add', 'invoicing' ); ?></a> <span class="description"><?php esc_html_e( 'Add a note for your reference, or add a customer note (the user will be notified).', 'invoicing' ); ?></span>
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.