gistfile1.js

var Language = Backbone.Model.extend({
    defaults: function() {
        return {
            languageName: "",
        };
    },
    initialize: function() {

    },
    url: "echoBackbone.php",
    sync: function(method, model, options){
    	
    	var methodMap = {
    		    'create': 'POST',
    		    'update': 'PUT',
    		    'delete': 'DELETE',
    		    'read': 'GET'
    	};
    	
    	var type = methodMap[method];

        // Default options, unless specified.
        options || (options = {});

        // Default JSON-request options.
        var params = {type: type, dataType: 'json'};

        // Ensure that we have a URL.
        if (!options.url) {
          params.url = this.url || urlError();
        }
    	
        // Don't process data on a non-GET request.
        if (params.type !== 'GET' && !Backbone.emulateJSON) {
          params.processData = false;
        }

        // NEW - the juicy bits to combine all the models in this collection
        var collection = [];
        model.collection.each( function(e, i, l){
            collection.push( e.toJSON() );
        });
        
        params.data = JSON.stringify(collection);
        
        // Make the request, allowing the user to override any Ajax options.
        return $.ajax(_.extend(params, options));        
    }
});