php-doc-en/reference/soap/functions/SoapServer-addFunction.xml

<?xml version='1.0' encoding='iso-8859-1'?>
<!-- $Revision: 1.4 $ -->
  <refentry id="function.SoapServer-addFunction">
   <refnamediv>
    <refname>SoapServer::addFunction</refname>
    <refpurpose>
     Adds one or several functions those will handle SOAP requests
    </refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <methodsynopsis>
     <type>void</type><methodname>SoapServer::addFunction</methodname>
     <methodparam><type>mixed</type><parameter>functions</parameter></methodparam>
    </methodsynopsis>
    <para>
     Exports one or more functions for remote clients.
    </para>
    <para>
     To export one function, pass the function name into the
     <parameter>functions</parameter> parameter as a string.
     To export several functions pass an array of function names, and to export all
     functions pass a special constant <constant>SOAP_FUNCTIONS_ALL</constant>.
    </para>
    <para>
     <parameter>functions</parameter> must receive all input arguments in the same
     order as defined in the WSDL file (They should not receive any output parameters
     as arguments) and return one or more values. To return several values they must
     return an array with named output parameters.
    </para>
    <para>
     <example>
      <title>Some examples</title>
      <programlisting role="php">
<![CDATA[
<?php

function echoString($inputString)
{
    return $inputString;
}

$server->addFunction("echoString");

function echoTwoStrings($inputString1, $inputString2)
{
    return array("outputString1" => $inputString1,
                 "outputString2" => $inputString2);
}
$server->addFunction(array("echoString", "echoTwoStrings"));

$server->addFunction(SOAP_FUNCTIONS_ALL);

?>
]]>
      </programlisting>
     </example>
    </para>
    <para>
     See also
     <function>SoapServer::SoapServer</function>, and
     <function>SoapServer::SetClass</function>.
    </para>
   </refsect1>
  </refentry>

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