DynamicActiveQuery.php
public function indexBy($column)
    {
        if (!$this->asArray) {
            return parent::indexBy($column);
        }

        /** @var DynamicActiveRecord $modelClass */
        $modelClass = $this->modelClass;
        $this->indexBy = function ($row) use ($column, $modelClass) {
            if (isset($row[$column])) {
                return $row[$column];
            }

            $dynamicColumn = $modelClass::dynamicColumn();
            if (!isset($row[$dynamicColumn])) {
                throw new UnknownPropertyException("Dynamic column {$dynamicColumn} does not exist - wasn't set in select");
            }

            $dynamicAttributes = DynamicActiveRecord::dynColDecode($row[$dynamicColumn]);
            $value = $this->getDotNotatedValue($dynamicAttributes, $column);

            return $value;
        };

        return $this;
    }
public function indexBy($column)
    {
        if (!$this->asArray) {
            return parent::indexBy($column);
        }

        /** @var DynamicActiveRecord $modelClass */
        $modelClass = $this->modelClass;
        $this->indexBy = function ($row) use ($column, $modelClass) {
            if (isset($row[$column])) {
                return $row[$column];
            }

            $dynamicColumn = $modelClass::dynamicColumn();
            if (!isset($row[$dynamicColumn])) {
                throw new UnknownPropertyException("Dynamic column {$dynamicColumn} does not exist - wasn't set in select");
            }

            $dynamicAttributes = DynamicActiveRecord::dynColDecode($row[$dynamicColumn]);
            $value = $this->getDotNotatedValue($dynamicAttributes, $column);

            return $value;
        };

        return $this;
    }
public function indexBy ( $ column ) { if ( ! $ this -> asArray ) { return parent :: indexBy ( $ column ) ; } /** @var DynamicActiveRecord $modelClass */ $ modelClass = $ this -> modelClass ; $ this -> indexBy = function ( $ row ) use ( $ column , $ modelClass ) { if ( isset ( $ row [ $ column ] ) ) { return $ row [ $ column ] ; } $ dynamicColumn = $ modelClass :: dynamicColumn ( ) ; if ( ! isset ( $ row [ $ dynamicColumn ] ) ) { throw new UnknownPropertyException ( "Dynamic column {$dynamicColumn} does not exist - wasn't set in select" ) ; } $ dynamicAttributes = DynamicActiveRecord :: dynColDecode ( $ row [ $ dynamicColumn ] ) ; $ value = $ this -> getDotNotatedValue ( $ dynamicAttributes , $ column ) ; return $ value ; } ; return $ this ; }
Converts the indexBy column name an anonymous function that writes rows to the
result array indexed an attribute name that may be in dotted notation.

@param callable|string $column name of the column by which the query results should be indexed
@return $this
Converts the indexBy column name an anonymous function that writes rows to the result array indexed an attribute name that may be in dotted notation .