bp_ps_save_hidden_filters( $attr,  $content )

function bp_ps_save_hidden_filters ($attr, $content)
{
	global $bp_ps_hidden_filters;

	$bp_ps_hidden_filters = array ('bp_ps_directory' => bp_ps_current_page ());

	list (, $fields) = bp_ps_get_fields ();
	$split = isset ($attr['split'])? $attr['split']: ',';

	if (is_array ($attr))  foreach ($attr as $key => $value)
	{
		$k = bp_ps_match_key ($key, $fields);
		if ($k === false)  continue;

		$f = $fields[$k];
		$filter = ($key == $f->code)? '': substr ($key, strlen ($f->code) + 1);
		if (!bp_ps_Fields::is_filter ($f, $filter))  continue;

		$selector = $filter. (count ($f->options)? '/e': '');
		switch ($selector)
		{
		case 'contains':
		case '':
		case 'like':
			$value = trim (addslashes ($value));
			if ($value !== '')  $bp_ps_hidden_filters[$key] = $value;
			break;

		case 'range':
		case 'age_range':
			list ($min, $max) = explode ($split, $value);
			$values = array ();
			if (($min = trim ($min)) !== '')  $values['min'] = $min;
			if (($max = trim ($max)) !== '')  $values['max'] = $max;
			if (!empty ($values))  $bp_ps_hidden_filters[$key] = $values;
			break;
            
		case 'match_any/e':
		case 'match_all/e':
		case '/e':
		case 'one_of/e':
			$flipped = array_flip ($f->options);
			$values = explode ($split, $value);
			$keys = array ();
			foreach ($values as $value)
			{
				$value = trim ($value);
				if (isset ($flipped[$value]))  $keys[] = addslashes ($flipped[$value]);
			}
			if (!empty ($keys))  $bp_ps_hidden_filters[$key] = $keys;
			break;
		}
	}

	add_filter ('body_class', function ($classes) {return array_merge (array ('directory', 'members', 'buddypress'), $classes);});
}