- $v = call_user_func($col_cfg['txtrenderer'],
- $cl[$col_cfg['dataIndex']], $worksheet, $r+1, $c, $clo);
+
+ if (is_a($col_cfg['txtrenderer'], 'Closure')) {
+ $v = $col_cfg['txtrenderer']->call($cl[$col_cfg['dataIndex']], $worksheet, $r+1, $c, $clo);
+ } else {
+ $v = call_user_func($col_cfg['txtrenderer'],
+ $cl[$col_cfg['dataIndex']], $worksheet, $r+1, $c, $clo);
+ }