dbplus_tremove() removes
tuple from relation
if it perfectly matches a tuple within the
relation. current, if given, will contain
the data of the new current tuple after calling
dbplus_tremove().
Notes
Warning: This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk.