public function suzgec($metin){
$trans=array("'"=>"","\""=>"");
$metin=strtr($metin,$trans);
$metin = strip_tags($metin);

$dizi = array_count_values(explode(' ',$metin));
arsort($dizi);
$yeniDizi = array();

foreach ($dizi as $key => $value) {
if(empty($key)){continue;}
$yeniDizi[] = array($value,$key);
}

foreach ($yeniDizi as $value) {
if($value['0'] >= 3){
$keywords = $value['1'].',';
}

}
return $keywords;

}