Extenions to js Datatables - RowGouping

I need a generic extension to the JS DATATABLES sript.

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What i need is a generic extension to add row groups with a subtotal.

Do see what this means take a look at this

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So i need the possibility to add a new paramter to the $columns array for server-side processing, where i can specify the columns to group.

There must be the possibility to add more than one column.

Example ( [login to view URL] )

$columns = array(

    array( 'db' => 'first_name', 'dt' => 0 ),

    array( 'db' => 'last_name',  'dt' => 1 ),

    array( 'db' => 'position',   'dt' => 2 ),


'db' => 'office',    

'dt' => 3 ,

'groupBy' => 'desc',



        'db'        => 'start_date',

        'dt'        => 4,

'groupby' => 'asc',

        'formatter' => function( $d, $row ) {

            return date( 'jS M y', strtotime($d));




        'db'        => 'salary',

        'dt'        => 5,

'summed' => 'yes',

        'formatter' => function( $d, $row ) {

            return '$'.number_format($d);




So again all needed features :

- extension to the "js datatables" script

- must work with Server-Side-Processing

- must work with all tables ( generic )

- add groupedby columns (this is not a MYSQL GROUP BY )

- add sum functions to the footer

- add subtotals for each groupedb column, if there is a summed column

- must work with the PDF export function from the tabletools

I need this in about 24 hours.

You have to work on your own server.

For testing you can use the Northwind Database :

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[login to view URL] ( MYSQL )

Skills: Javascript, PHP

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Project ID: #12741103

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