/**
* Delivers all subpages of a given page.
*
* @param Title $page The page to get the subpages from.
* @param int $depth Depth of the deepest subpage level to be counted relative from the given
* page. null means no limit.
*
* @return Title[] All subpages of the given page.
*/
static function getSubpages( Title $page, $depth = null ) {
if( $depth === 0 )
return array();
$subpages = $page->getSubpages( -1 );
$allSubpages = array();
if( $depth !== null ) {
$maxSubpageLevel = SubpageInfo::getSubpageLevel( $page ) + $depth;
}
if( ! empty( $subpages ) ) {
while( $subpages->valid() ) {
$curSub = $subpages->current();
if( $depth !== null ) {
if( SubpageInfo::getSubpageLevel( $curSub ) <= $maxSubpageLevel ) {
$allSubpages[] = $curSub;
}
} else {
$allSubpages[] = $curSub;
}
$subpages->next();
}
}
return $allSubpages;
}
static function pf_subpagelevel( &$parser /* , $title = null */ ) {
$t = self::newTitleObject( $parser, func_get_args() );
if( $t === null ) {
return ''; // invalid title given
}
return SubpageInfo::getSubpageLevel( $t );
}
