# Target languages

### Kotlin 

Kotlin is a new predefined target language added in version 4.1.0 

It supports nullable types.

### C\#

C# target language has been improved 

New temporal types have been added : 

* **DateOnly** ( Day / Month / Year )  
* **TimeOnly** ( Hour / Min / Sec / NanoSec )

Nullable types are now supported for C#

### PHP

Typed class properties have been added in PHP 7.4 

So it's now possible to generate PHP code with the type corresponding to the attribute.

The type can be : string, bool, int, float or DateTime

Nullable types are supported for PHP

### Nullable types 

Nullable types are now automatically provided for the languages concerned ( C#, PHP and Kotlin )

A nullable type is a type with a "nullable mark" at the end or at the beginning of the type,   \
for example :  

* "int**?**" and "string**?**" for C# 
* "**?**int" and "**?**string" for PHP

The "nullable mark" is automatically added to the type if : \
   the attribute is 'nullable' \
   and \
   $env.typeWithNullableMark  is set to TRUE


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://news.telosys.org/version-4.1.0/target-languages.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.