WooForce

add_filter( 'woocommerce_cart_no_shipping_available_html', 'change_msg_no_available_shipping_methods', 10, 1  );
add_filter( 'woocommerce_no_shipping_available_html', 'change_msg_no_available_shipping_methods', 10, 1 );
function change_msg_no_available_shipping_methods( $default_msg ) {
    $custom_msg = "Call us for quotation - 1-800-XXX-XXXX";
    if( empty( $custom_msg ) ) {
      return $default_msg;
    }
    
    return $custom_msg;
}

WooForce

add_filter('wf_canadapost_request','wf_canadapost_label_request_callback', 10, 2 );
function wf_canadapost_label_request_callback($request,$order){

    $custom_product_description = 'My product description'; // This text might not exceed 35 characters

    $xml = new SimpleXMLElement($request);
    if($xml->{'delivery-spec'}->{'destination'}->{'address-details'}->{'country-code'} != 'CA'){ //if international
        $ref_no = $xml->{'delivery-spec'}->{'references'}->{'customer-ref-1'};
        $custom_text = $ref_no.", ".$custom_product_description; 
        $xml->{'delivery-spec'}->{'references'}->{'customer-ref-1'} = substr($custom_text,0,35);

WooForce

add_filter('wf_fedex_request','wf_fedex_label_request_callback', 10, 2 );
function wf_fedex_label_request_callback($request,$order){

	$custom_product_description = 'My Product Description';
    $commodities = !empty( $request['RequestedShipment']['CustomsClearanceDetail']['Commodities'] ) ? $request['RequestedShipment']['CustomsClearanceDetail']['Commodities']: array() ;
    foreach ($commodities as $product_id => $value) {
    	$request['RequestedShipment']['CustomsClearanceDetail']['Commodities'][$product_id]['Description'] = $custom_product_description;
    }
    return $request;
}

WooForce

add_filter('wf_fedex_request','wf_fedex_label_request_callback', 10, 2 );
function wf_fedex_label_request_callback($request,$order){

	$custom_product_description = 'My Product Description';
	
    $request['CustomerReferences'][] =  array('CustomerReferenceType' => 'CUSTOMER_REFERENCE', 'Value' => $custom_product_description );

    $RequestedPackageLineItems = !empty( $request['RequestedShipment']['RequestedPackageLineItems'] ) ? $request['RequestedShipment']['RequestedPackageLineItems'] : array() ;
    
    $flag = 0;

WooForce

	define("PV_ATTRIBUTE", "vendor");
	if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
	/**
	 * Check if WooCommerce is active
	 */
	if ( in_array( 'woocommerce/woocommerce.php', apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) ) {
		if ( ! class_exists( 'TH_Shipping_Options' ) ) {
			class TH_Shipping_Options {
				/**

WooForce

    add_filter( 'woocommerce_package_rates', 'wf_adjust_shipping_rate', 10, 2 );
    function wf_adjust_shipping_rate( $available_shipping_methods, $packages ){
        // Total quantity is total unit
        $unit = 0;
        $apply_final_filter = TRUE;
        foreach ( $packages['contents'] as $item ) {
            $unit+=$item['quantity'];
        }
        
        // if unit less than 3  , show D_FIRST_CLASS only

WooForce

	// Exclude the services First-Class Mail Postcards, First-Class Mail Large Envelope and First-Class Mail Stamped Letter
	add_filter('usps_disable_first_class_rate_first-class-mail-postcards', 'disable_first_class_rate_for_this_service',10,3);
	add_filter('usps_disable_first_class_rate_first-class-mail-large-envelope', 'disable_first_class_rate_for_this_service',10,3);
	add_filter('usps_disable_first_class_rate_first-class-mail-stamped-letter', 'disable_first_class_rate_for_this_service',10,3);
	function disable_first_class_rate_for_this_service() {
		return true;
	}
	
	// Include First-Class Mail Parcel ( Default Behaviour)
	add_filter('usps_disable_first_class_rate_first-class-mail-parcel', 'disable_first_class_rate_for_parcel_service',10,3);

WooForce

    add_filter('wf_fedex_request','my_call_back', 10, 2 );
    function my_call_back($request,$order){
        $request['RequestedShipment']['Recipient']['Contact']['PhoneNumber']='123-123-1234';
        return $request;
    }

WooForce

	add_filter('woocommerce_package_rates', 'hide_auspost_method_when_shipping_class_product_is_in_cart', 10, 2);
	
	function hide_auspost_method_when_shipping_class_product_is_in_cart($available_shipping_methods, $package)
	{
		$shipping_class_ids = array(
			16
		);
		$shipping_services_to_hide = array(
			'wf_australia_post:AUS_PARCEL_REGULAR',
			'wf_australia_post:AUS_PARCEL_EXPRESS',

WooForce

	add_filter('woocommerce_package_rates', 'hide_shipping_method_if_particular_product_available_in_cart', 10, 2);
	
	function hide_shipping_method_if_particular_product_available_in_cart($available_shipping_methods)
	{
		global $woocommerce;
	
		// products_array should be filled with all the products ids
		// for which shipping method (stamps) to be restricted.
	
		$products_array = array(