static function pf_numberofsubpages( &$parser ) {
//get all possible arguments:
$args = ExtSubpageFun::getFunctionArgsArray( func_get_args() );
$title = isset($args[1]) ? $args[1] : null;
$depth = isset( $args['depth'] ) ? self::valDepth( $args['depth'] ) : null;
$filter = isset( $args['filter'] ) ? $args['filter'] : null;
// function logic:
$t = self::newTitleObject( $parser, $title );
if( $t === null ) {
return ''; // invalid title given
}
// get subpages:
$subpages = SubpageInfo::getSubpages( $t, $depth );
// filter by filter criterion:
$subpages = self::filterSiteList( $subpages, $filter );
return count( $subpages );
}
/**
* Delivers all siblings of a given subpage (won't deliver siblings of top level pages, would be to much)
*
* @param Title $page The page to get the siblings from.
*
* @return Title[] All sibling pages of the given subpage.
*/
static function getSiblingPages( Title $page ) {
$parent = SubpageInfo::getParentPage( $page );
if( empty ( $parent ) ) {
return array();
}
$siblingsAndMore = SubpageInfo::getSubpages( $parent );
$allSiblings = array();
foreach( $siblingsAndMore as &$potentialSibling ) {
if( SubpageInfo::isSiblingOf( $page, $potentialSibling ) )
$allSiblings[] = $potentialSibling;
}
return $allSiblings;
}
