#string pq\Query\WriterInterface::param(mixed $param[, int $type = NULL])

Remember the parameter with any associated type and return $N to be written to the query string.

Params:#

• mixed $param#
  Query parameter value.
• Optional int $type# = NULL
  The type OID of the parameter.

Returns:#

• string, '$N#', to be used with pq\Query\WriterInterface::write(), where N is the number of this parameter.