(PHP 8 >= 8.4.0)
pg_put_copy_end — Signal the completion of a COPY operation to the server
Sends an end-of-data indication to the server during a
COPY FROM STDIN operation.
connectionerrornull, the COPY operation is forced to
fail with the given error message.
Returns 1 on success, 0 if the
data could not be queued (only in non-blocking mode), or
-1 on error.