Yii snippet for recursive finding categories

yii_recursive_category_list.php

function findCatalogCategory($arr=array(),$id=0,$s=''){
    $ms=CatalogCategory::model()->findAll(array('condition'=>'`parent_id`='.$id,'order'=>'title','select'=>array('id','title')));
    foreach ($ms as $m){
        $arr[]=array('title'=>$s.$m->title,'id'=>$m->id);
	if(CatalogCategory::model()->count(array('condition'=> '`parent_id`='.$m->id,'order'=>'title','select'=>array('id','title')))>0){
	    $arr=findCatalogCategory($arr,$m->id,($s.$m->title.' - '));
	}
    }
    return $arr;
}
$catsList=findCatalogCategory(
    array(0=>array('title'=>'Веберите категорию','id'=>0)),0
);