.. _functx_max-depth:

================
functx:max-depth
================ 

The maximum depth of elements in an XML tree

Description
~~~~~~~~~~~
The functx:max-depth function returns the maximum level of elements within a 
document, as an integer. 1 represents the root, 2 is a child of the root, etc. 
If $root is a document node, it is counted as a level. Text and other kinds of 
nodes are not counted as a level.

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   * - **Parameters**
     - **Description**
   * - root:node()
     - the root to start from

Examples
~~~~~~~~
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   * - **XPath**
     - **Results**
   * - functx:max-depth($in-xml)
     - 3
   * - functx:max-depth($in-xml/author[1])
     - 2

See Also
~~~~~~~~

.. toctree::
   :titlesonly:
   :glob:

* :ref:`functx_depth-of-node`.