gistfile1.php

<?php

    $con = new Connection();

    $res = $con->query('SELECT word, hash FROM `keywords` LIMIT 0, 30 ');
    $rows = array();
    while($r = $res->fetch_assoc()) {
     echo $r["word"]."   ".$r["hash"]."<br>";
    }


    $kw = "octopus";
    $hash = md5($kw);
    $res = $con->query("INSERT INTO `keywords` (`word`, `hash`) VALUES (\'".$kw."\', \'".$hash."\');" );
   	echo $kw;
   	echo $hash;
   	print_r($res);
   	$con->close();

?>