src/Rentgen/Database/Constraint/ForeignKey.php
public function setReferencedColumns($columns)
    {
        if (!is_array($columns)) {
            $columns = array($columns);
        }
        $this->referencedColumns = $columns;

        return $this;
    }
public function setReferencedColumns($columns)
    {
        if (!is_array($columns)) {
            $columns = array($columns);
        }
        $this->referencedColumns = $columns;

        return $this;
    }
public function setReferencedColumns ( $ columns ) { if ( ! is_array ( $ columns ) ) { $ columns = array ( $ columns ) ; } $ this -> referencedColumns = $ columns ; return $ this ; }
Sets foreign key reference columns.

@param array $columns Columns list.

@return ForeignKey Self instance.
Sets foreign key reference columns .