(PECL paradox >= 1.4.0)
px_delete_record — Deletes record from paradox database
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.
Note:
This function is only available if pxlib >= 0.6.0 is used.
Resource identifier of the paradox database as returned by px_new().
The record number is an artificial number counting records in the order as they are stored in the database. The first record has number 0.
成功时返回 TRUE, 或者在失败时返回 FALSE.