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Hello,

To hide the legend, please use legendPos (this is P, not p).

About the overlay of the axis title, phpdocx doesn't allow to control it and set it in the default position (may overlap the axis). To fix this, please edit the file CreateGraphic.inc and in the generateAXLABEL method add this tag:

<c:overlay val="0"/>

after </c:tx>.

This is the current method:

protected function generateAXLABEL($val = 'Axis title')
{
  $xml = '<' . CreateGraphic::NAMESPACEWORD . ':title><c:tx><c:rich>' .
                '__GENERATEBODYPR__<a:lstStyle/><a:p><a:pPr><a:defRPr/></a:pPr>' .
                '<a:r><a:t>' . $val . '</a:t></a:r></a:p></c:rich></c:tx>' .
                '</' . CreateGraphic::NAMESPACEWORD . ':title>__GENERATEAX__';
  $this->_xmlChart = str_replace(
                '__GENERATEAX__', $xml, $this->_xmlChart
  );
}

And this is the method after adding the new tag:

protected function generateAXLABEL($val = 'Axis title')
{
  $xml = '<' . CreateGraphic::NAMESPACEWORD . ':title><c:tx><c:rich>' .
                '__GENERATEBODYPR__<a:lstStyle/><a:p><a:pPr><a:defRPr/></a:pPr>' .
                '<a:r><a:t>' . $val . '</a:t></a:r></a:p></c:rich></c:tx><c:overlay val="0"/>' .
                '</' . CreateGraphic::NAMESPACEWORD . ':title>__GENERATEAX__';
  $this->_xmlChart = str_replace(
                '__GENERATEAX__', $xml, $this->_xmlChart
  );
}

We have added a task to add this change in the master branch of the library.

Regards.