(PECL paradox >= 1.4.0)
px_delete_record — Deletes record from paradox database
$pxdoc
   , int $num
   )This function deletes a record from the database. It does not free the space in the database file but just marks it as deleted. Inserting a new record afterwards will reuse the space.
Замечание:
This function is only available if pxlib >= 0.6.0 is used.
pxdocResource identifier of the paradox database as returned by px_new().
numThe record number is an artificial number counting records in the order as they are stored in the database. The first record has number 0.
   Возвращает TRUE в случае успешного завершения  или FALSE в случае возникновения ошибки.