PHP Script for converting all tables in database to InnoDB engine

innodb.php

<?php
    
    $link = db_connect();

    $query = "SHOW tables";
    $result = mysql_query($query);

    while($row = mysql_fetch_array($result))
    {
        $tbl = $row[0];
        $query = "ALTER TABLE $tbl  ENGINE=INNODB";
         mysql_query($query);
    }

    mysql_close($link);
?>