src/ORM/Connect/Query.php
public function keyedColumn()
    {
        $column = array();
        foreach ($this as $record) {
            $val = $record[key($record)];
            $column[$val] = $val;
        }
        return $column;
    }
public function keyedColumn()
    {
        $column = array();
        foreach ($this as $record) {
            $val = $record[key($record)];
            $column[$val] = $val;
        }
        return $column;
    }
public function keyedColumn ( ) { $ column = array ( ) ; foreach ( $ this as $ record ) { $ val = $ record [ key ( $ record ) ] ; $ column [ $ val ] = $ val ; } return $ column ; }
Return an array containing all values in the leftmost column, where the keys are the
same as the values.

@return array
Return an array containing all values in the leftmost column where the keys are the same as the values .