$metin = file_get_contents("liste.php");
    $dizi = array_count_values(explode(' ',$metin));
    arsort($dizi);
    $yeniDizi = array();
    foreach ($dizi as $key => $value) {
        if(empty($key)){continue;}
        $yeniDizi[] = array($value,$key);
    }
    
    foreach ($yeniDizi as $value) {
        echo '<p><b>'.$value['1'].'</b> kelimesi '.$value[0].' tane var.</p>';
    }