Add new type PhpSlice to save order when we serialize "array" with numeric keys

Author: Irakli Nakani

common.go

@@ -47,6 +47,8 @@ type PhpValue interface{}
 
 type PhpArray map[PhpValue]PhpValue
 
+type PhpSlice []PhpValue
+
 type PhpObject struct {
 	className string
 	members   PhpArray

serialize.go

@@ -39,7 +39,7 @@ func (self *Serializer) Encode(v PhpValue) (string, error) {
 		value = self.encodeNumber(v)
 	case string:
 		value = self.encodeString(v, DELIMITER_STRING_LEFT, DELIMITER_STRING_RIGHT, true)
-	case PhpArray, map[PhpValue]PhpValue:
+	case PhpArray, map[PhpValue]PhpValue, PhpSlice:
 		value = self.encodeArray(v, true)
 	case *PhpObject:
 		value = self.encodeObject(v)
@@ -183,6 +183,19 @@ func (self *Serializer) encodeArray(v PhpValue, isFinal bool) (buffer bytes.Buff
 		buffer.WriteString(self.prepareLen(arrLen))
 		buffer.WriteRune(DELIMITER_OBJECT_LEFT)
 
+		for k, v := range arrVal {
+			s, _ = self.Encode(k)
+			buffer.WriteString(s)
+			s, _ = self.Encode(v)
+			buffer.WriteString(s)
+		}
+	case PhpSlice:
+		arrVal, _ := v.(PhpSlice)
+		arrLen = len(arrVal)
+
+		buffer.WriteString(self.prepareLen(arrLen))
+		buffer.WriteRune(DELIMITER_OBJECT_LEFT)
+
 		for k, v := range arrVal {
 			s, _ = self.Encode(k)
 			buffer.WriteString(s)