function getSubCatFAs()
 {
     global $wgOut, $wgCategoryMagicGallery, $wgCategoryPagingLimit, $wgTitle;
     $children = $this->children;
     $fas = count($this->articles_fa);
     $fas_needed = 10 - count($this->articles_fa);
     $randomFAs = array();
     if ($fas < 10) {
         $allSubCats = $this->shortListRD($this->children, $this->children_start_char, true);
         $used = array();
         $fas2 = array();
         $count = 0;
         while (count($used) < count($allSubCats)) {
             $j = rand(0, count($allSubCats));
             if (!in_array($j, $used)) {
                 $t = Title::newFromText("Category:" . $allSubCats[$j]);
                 if (isset($t) && $t->getArticleID() > 0) {
                     $cat = new self($t);
                     $fas2 = $cat->getFAs();
                     $randomFAs = array_merge((array) $fas2, (array) $randomFAs);
                 }
                 if (count($randomFAs) >= $fas_needed) {
                     return $randomFAs;
                 }
                 $used[] = $j;
             }
             $count++;
             if ($count >= 30) {
                 return $randomFAs;
             }
         }
     }
     return $randomFAs;
 }