php - Laravel: Addition to an existing field data in a column -

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please how express php mysql update code in eloquent

mysql_query("update `some_table` set `value` = `value` + 1000 `id` = 1");

or 

mysql_query("update `some_table` set `value` = `value` + $formdata `id` = 1");

you can retrieve model , increment it:

$model = some_model::find( $id ); $model->value += 1000; $model->save();

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