symfony - how to get the most used tags with Doctrine? -


i have 2 entities, "pin" , "tag", manytomany relation. want list of tags order used display in form

here repository method : 

    public function findpopulartag(){     return $qb = $this->createquerybuilder('t')     ->addselect('count(distinct  p.id) total_pins')     ->leftjoin('t.listeepingles', 'p')     ->groupby('t.id')     ->orderby('total_pins','desc');   }

in buildform use method create entitytype : 

            $builder->add(  'listetagsdanslisteepingles', 'entity', array(                 'class'    => 'sharincookrecipesbundle:tag',                 'required'  =>false,                 'multiple' => true,                 'property' => 'libelle',                 'expanded'=>true,                 'query_builder' => function(tagrepository $repo){                     return $repo->findpopulartag();                 },           ));

but have error : expected argument of type "object or array", "string" given in vendor/symfony/symfony/src/symfony/component/propertyaccess/propertyaccessor.php @ line 224

you can use left join , order in query builder

$tag = $em->getrepository('namespaceyourbundle:tag'); $qb = $tag->createquerybuilder('t')         ->addselect('count(distinct  p.id) hidden total_pins')         ->leftjoin('t.pins', 'p');         ->groupby('t.id')         ->orderby('total_pins','desc')         ->getquery()         ->getresult();

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