lib/Doctrine/DBAL/Schema/Schema.php
public function toDropSql(AbstractPlatform $platform)
    {
        $dropSqlCollector = new DropSchemaSqlCollector($platform);
        $this->visit($dropSqlCollector);

        return $dropSqlCollector->getQueries();
    }
public function toDropSql(AbstractPlatform $platform)
    {
        $dropSqlCollector = new DropSchemaSqlCollector($platform);
        $this->visit($dropSqlCollector);

        return $dropSqlCollector->getQueries();
    }
public function toDropSql ( AbstractPlatform $ platform ) { $ dropSqlCollector = new DropSchemaSqlCollector ( $ platform ) ; $ this -> visit ( $ dropSqlCollector ) ; return $ dropSqlCollector -> getQueries ( ) ; }
Return an array of necessary SQL queries to drop the schema on the given platform.

@return string[]
Return an array of necessary SQL queries to drop the schema on the given platform .