src/Utilities/Request.php
public function searchableColumnIndex()
    {
        $searchable = [];
        for ($i = 0, $c = count($this->request->input('columns')); $i < $c; $i++) {
            if ($this->isColumnSearchable($i, false)) {
                $searchable[] = $i;
            }
        }

        return $searchable;
    }
public function searchableColumnIndex()
    {
        $searchable = [];
        for ($i = 0, $c = count($this->request->input('columns')); $i < $c; $i++) {
            if ($this->isColumnSearchable($i, false)) {
                $searchable[] = $i;
            }
        }

        return $searchable;
    }
public function searchableColumnIndex ( ) { $ searchable = [ ] ; for ( $ i = 0 , $ c = count ( $ this -> request -> input ( 'columns' ) ) ; $ i < $ c ; $ i ++ ) { if ( $ this -> isColumnSearchable ( $ i , false ) ) { $ searchable [ ] = $ i ; } } return $ searchable ; }
Get searchable column indexes.

@return array
Get searchable column indexes .