| @@ -97,9 +97,9 @@ | ||
| 97 | 97 | * @return void |
| 98 | 98 | */ |
| 99 | 99 | protected function single_row_columns( $item ) { |
| 100 | 100 | $column_info = $this->get_column_info(); |
| 101 | - $columns = $column_info[0]; | |
| 101 | + $columns = (array) $column_info[0]; | |
| 102 | 102 | $primary = $column_info[3]; |
| 103 | 103 | |
| 104 | 104 | foreach ( array_keys( $columns ) as $column_name ) { |
| 105 | 105 | $classes = "$column_name column-$column_name"; |
