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<?php $row = new stdClass; $field_name = 'field_my_field'; $delta = 0; $row->$field_name = []; $row->$field_name[$delta] = 'value'; // This works just fine. $f = $field_name . ':title'; $row->$f = [$delta => 'value']; // This doesn't work. var_dump($row);

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