EDIT

		foreach ($field_term_map as $key => $value) {

			//if the value is an array with key names dwca_export_

			if ( (array) $value === $value ) {

				foreach ($value as $key2 => $value2) {

					//$term_array[] = $key;

					if (substr($key, 0, 11) == 'dwca_export') {

						$term_array[$key][] = $value2;

					}

			}

}

	//check if the array size is the same as the number of fields in the meta.xml for either the

	//core or the particular extension

	$core_string = $meta_string->core->files->location[0];

	$classification_view_name = "dwca_export_" . substr($core_string, 0, -4);

	//the first position in the dwca is always the id and this doesn't point to a term so use the empty string

	$views[$classification_view_name][0] = '';

	//set the core node of the meta.xml with dwca_export_classifcation values from the form

	//in the meta.xml id index="0" fields start at index 1

	$index = 1;

	foreach($meta_string->core->field as $field)

	{

		$term = (string)$field[@term];

		$index++;

		//$views[$classification_view_name][] = $term;	

	}

	foreach($meta_string->extension as $extension)

	{

		//echo $extension->files->location[0] . "\n";

		$extension_view_name = "dwca_export_" . substr($extension_string, 0, -5);

		//echo "The ext view name is:" . $classification_view_name . "\n";

		$views[$extension_view_name][0] = '';

		}

	}

	// Saving the whole modified XML to a new filename

	//$meta_string->asXml($xml_file);

}

//TODO Lorna - could we modify this method with a boolean to indicate whether we want to create the map or whether we want to modify the xml with values in the map

	foreach($meta_string->children() as $child)

	{

		// core or extension

		//foreach($child->children() as $child2)

		//{

		// core or extension

	// In this case we've completed the final page of the wizard, so process the

	// submitted information.

	foreach ($form_state['step_information'] as $index => $value) {

		// Remove FAPI fields included in the values (form_token, form_id and form_build_id

		// This is not required, you may access the values using $value['stored_values']