search - Not Getting Popular Searches In Magento Using Code -

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how popular search terms on homepage ??

i have referenced following question : getting popular searches in magento

so, have used same code given below :

$searchcollectino=mage::getmodel('catalogsearch/query')->getcollection()  ->setpopularqueryfilter()  ->setpagesize($limit);

they told using ->getitems() can search terms.

but not getting code can be..??

how use code ??

i got top 5 popular search terms following code :

$searchcollection = mage::getmodel('catalogsearch/query')->getcollection()  ->setorder('popularity', 'desc'); $searchcollection->getselect()->limit(8); foreach ($searchcollection $item) {       echo $item->getdata('redirect');     echo $item->getdata('query_text'); }

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