src/Services/Sorter.php
public function canSortBy($column)
    {
        return array_key_exists($column, $this->sortable) || in_array($column, $this->sortable, true);
    }
public function canSortBy($column)
    {
        return array_key_exists($column, $this->sortable) || in_array($column, $this->sortable, true);
    }
public function canSortBy ( $ column ) { return array_key_exists ( $ column , $ this -> sortable ) || in_array ( $ column , $ this -> sortable , true ) ; }
Check if a column is sortable.

@param $column

@return bool
Check if a column is sortable .