The string data type is the basic text string and is a primitive data type. It is similar to the string data type in PHP.

Example Declaration:

<param>
<value><string>Hello,Visitor!</string></value>
</param>

The string data type most common data type in XML-RPC and any values of the value element without data type tags inside will default to string.

Example of default string declaration:

<param>
<value>Goodbye,visitor!</value>
</param>