Integration with gridphp.com

<?php
/**
 * PHP Grid Component
 *
 * @author Abu Ghufran <gridphp@gmail.com> - http://www.phpgrid.org
 * @version 2.0.0
 * @license: see license.txt included in package
 */
 $page_security = 'SA_OPEN';
 $path_to_root="../..";
 include($path_to_root . "/includes/session.inc");

add_css_file($path_to_root."/gridphp/lib/js/themes/redmond/jquery-ui.custom.css");
add_css_file($path_to_root."/gridphp/lib/js/jqgrid/css/ui.jqgrid.css");
add_js_ufile($path_to_root."/gridphp/lib/js/jquery.min.js");
add_js_ufile($path_to_root."/gridphp/lib/js/jqgrid/js/i18n/grid.locale-en.js");
add_js_ufile($path_to_root."/gridphp/lib/js/jqgrid/js/jquery.jqGrid.min.js");
add_js_ufile($path_to_root."/gridphp/lib/js/themes/jquery-ui.custom.min.js");

// include and create object
include_once ($path_to_root."/gridphp/lib/inc/jqgrid_dist.php");

$server = $db_connections[user_company()]['host'];
$user = $db_connections[user_company()]['dbuser'];
$password = $db_connections[user_company()]['dbpassword'];
$database = $db_connections[user_company()]['dbname'];

$db_conf = array(
                    "type"         => 'mysqli',
                    "server"     => $server,
                    "user"         => $user,
                    "password"     => $password,
                    "database"     => $database
                );


$g = new jqgrid($db_conf);

$grid["rowNum"] = 10; // by default 20
$grid["sortname"] = 'id'; // by default sort grid by this field
$grid["caption"] = "Invoice Data"; // caption of grid
$grid["autowidth"] = false; // expand grid to screen width
$grid["multiselect"] = true; // allow you to multi-select through checkboxes
$grid["form"]["position"] = "center";
$grid["shrinkToFit"] = false;

$g->set_options($grid);

$g->set_actions(array(
                        "add"=>true, // allow/disallow add
                        "edit"=>true, // allow/disallow edit
                        "delete"=>true, // allow/disallow delete
                        "view"=>true, // allow/disallow delete
                        "rowactions"=>true, // show/hide row wise edit/del/save option
                        "search" => "advance", // show single/multi field search condition (e.g. simple or advance)
                        "showhidecolumns" => false
                    )
                );

$g->select_command = "SELECT * FROM dimensions where id < 85";

$g->table = "dimensions";

// this db table will be used for add,edit,delete
$g->table = "invheader";

// pass the cooked columns to grid
$g->set_columns($cols);

// generate grid output, with unique grid name as 'list1'
$out = $g->render("list1");
page(_($help_context = "Dimensions"), false);
echo '<div style="margin:10px">';
echo $out;
div_end();
end_page();
?>