According to the source:

 a) http://lxr.php.net/
 b) search for function name

http://lxr.php.net/source/php-src/ext/pgsql/pgsql.c#444

IN/OUT are used. Even pgsql_copy_(from|to) use the IN/OUT
constants. I could not find TO/FROM anywhere in the history
either.

Regards,
Philip

On Sun, 1 May 2005, Cornelia Boenigk wrote:

> Hi
> 
> The constants.xml says:
> 
> <constant>PGSQL_COPY_OUT</constant>
> <constant>PGSQL_COPY_IN</constant>
> ...
> Returned by <function>pg_result_status</function>
> 
> 
> The manual-page for pg_result_status says:
> 
> Possible return values are ...
> PGSQL_COPY_TO, PGSQL_COPY_FROM,
> 
> Wich one is correct?
> 
> Regards
> Conni
> 

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