Sets a value - Справочник: PHP5.4

bool px_set_value ( resource $pxdoc , string $name , float $value )

Sets various values.

pxdoc

Resource identifier of the paradox database as returned by px_new().

name

name can be one of the following.

numprimkeys: The number of primary keys. Paradox databases always use the first numprimkeys fields for the primary index.

value

Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.

px_set_parameter() - Sets a parameter