Ticket #2726: param.diff

src/ajax.js

@@ -479 +479 @@
     param: function( a ) {
         var s = [];
 
+        function add( key, value ){
+            s[s.length] = key + "=" + encodeURIComponent( value );
+        };
+
         // If an array was passed in, assume that it is an array
         // of form elements
         if ( a.constructor == Array || a.jquery )
             // Serialize the form elements
             jQuery.each( a, function(){
-                s.push( encodeURIComponent(this.name) + "=" + encodeURIComponent( this.value ) );
+                add( encodeURIComponent(this.name), this.value );
             });
 
         // Otherwise, assume that it's an object of key/value pairs
         else
             // Serialize the key/values
-            for ( var j in a )
-                // If the value is an array then the key names need to be repeated
-                if ( a[j] && a[j].constructor == Array )
-                    jQuery.each( a[j], function(){
-                        s.push( encodeURIComponent(j) + "=" + encodeURIComponent( this ) );
+            for ( var j in a ){
+                var obj = a[j];
+                
+                // Encode it, but don't encode the squared brackets afterwards
+                j = encodeURIComponent(j);
+                
+                // If the value is an array or a map, generate name[key]=value
+                if ( obj && typeof obj == 'object' )
+                    jQuery.each( obj, function( key, v ){
+                        var name = j;
+                        // Don't break name[]=v1&name[]=v2 ...
+                        if( j.indexOf('[]') == -1 )
+                            name += '['+k+']';
+                        add( name , v );
                     });
                 else
-                    s.push( encodeURIComponent(j) + "=" + encodeURIComponent( jQuery.isFunction(a[j]) ? a[j]() : a[j] ) );
+                    add( j, jQuery.isFunction(obj) ? obj() : obj );
+            }
 
         // Return the resulting serialization
         return s.join("&").replace(/%20/g, "+");