function _handleFunction_contains

[ktt <kes...@ya...>]

I have an XML file like

<orchard>
  <flora>
  <flower>red</flower>
  <stem>green</stem>
  </flora>

  <flora>
  <flower>red</flower>
  <stem>pale</stem>
  </flora>

  <flora>
  <flower>blue</flower>
  <stem>pale</stem>
  </flora>
</orchard>


The aim is to display all <flora> nodes if subnode of
it
has a value "red".

I would like to use 
function _handleFunction_contains($arguments,
$context)
and use a query "//flora[contains(.,'red')]" .

But the dificulty is how to pass a query
"//flora[contains(.,'red')]"
to function, and that is a $context? I'm new to
PHP.XPath..

Thank you in advance.

ktt


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