Dynamic FilteringServer Using PHP

[Rizky]

Hello, I'm Develop Application Use SLIM PHP FRAMEWORK, IDIORM, PARIS, TWIG & KENDOUI.
I Get Response filteringServer with this : 

"filter":{

    "filters":[

        {"logic":"or","filters":[

            {"field":"NAME","operator":"eq","value":"Rosadi"},

            {"field":"NAME","operator":"eq","value":"Rahmat"}

            ]},

        {"logic":"or","filters":[

            {"field":"GENDER","operator":"eq","value":"L"},

            {"field":"GENDER","operator":"eq","value":"P"}

        ]}

    ],"logic":"and"}

and I want generate filtering Server Dynamically using php

<?

$Filter = $_REQUEST["filter"];

if(isset($Filter))

{

    foreach($Filter["filters"] as $FilterColumn)

    {

        $employeeList = $employeeList ->where($FilterColumn['field'], $FilterColumn['value']);

    }

}

?>

the php code above is wrong, make me get stuck.
can anyone help me how make filtering dynamically (the response implement in php code)  ?
sorry for my bad english.