lib/Doctrine/DBAL/Schema/ForeignKeyConstraint.php
public function getQuotedLocalColumns(AbstractPlatform $platform)
    {
        $columns = [];

        foreach ($this->_localColumnNames as $column) {
            $columns[] = $column->getQuotedName($platform);
        }

        return $columns;
    }
public function getQuotedLocalColumns(AbstractPlatform $platform)
    {
        $columns = [];

        foreach ($this->_localColumnNames as $column) {
            $columns[] = $column->getQuotedName($platform);
        }

        return $columns;
    }
public function getQuotedLocalColumns ( AbstractPlatform $ platform ) { $ columns = [ ] ; foreach ( $ this -> _localColumnNames as $ column ) { $ columns [ ] = $ column -> getQuotedName ( $ platform ) ; } return $ columns ; }
Returns the quoted representation of the referencing table column names
the foreign key constraint is associated with.

But only if they were defined with one or the referencing table column name
is a keyword reserved by the platform.
Otherwise the plain unquoted value as inserted is returned.

@param AbstractPlatform $platform The platform to use for quotation.

@return string[]
Returns the quoted representation of the referencing table column names the foreign key constraint is associated with .