| public indexBy ( string | callable $column ) | ||
| $column | string | callable | the name of the column by which the query results should be indexed by. This can also be a callable (e.g. anonymous function) that returns the index value based on the given row or model data. The signature of the callable should be: ```php // $model is an AR instance when `asArray` is false, // or an array of column values when `asArray` is true. function ($model) { // return the index value corresponding to $model } ``` |
public function indexBy($column);