Cast to string php

- Cast int to string php
- Cast array to string php
- Cast number to string php
- Cast null to string php
- Cast bool to string php
- Cast object to string php
- Cast float to string php
- Cast boolean to string php
- Cast mixed to string php
- Cast integer to string php
- Cast variable to string php
- Cast string to enum php
- Cast string to decimal php
- Cast str to int php