<?xml version="1.0"?>
<udf name="x3">

  <maintainer>
    <name>Hartmut Holzgraefe</name>
    <email>hartmut@php.net</email>
  </maintainer>

  <license>LGPL</license>

  <function name="ex_sqr" returns="real">
    <param name="p1" type="real"/>
    <code>
      return p1*p1;
    </code>
  </function>
</udf>