Character limitation for Address Fields

Character limitation for Address Fields.php

<?php
add_filter( 'wfacp_forms_field', function($field,$key){
    if($key=='billing_number' || $key=='shipping_number'){
        $field['custom_attributes']['maxlength']=8;
    }
	else{
		
		  if($key=='billing_address_2' || $key=='shipping_address_2'){
        $field['custom_attributes']['maxlength']=25;
    }
	}
    return $field;
},10,2  );