(PHP 4 >= 4.2.0, PHP 5, PHP 7)
Returns number of affected records (tuples)
int pg_affected_rows ( resource $result )
pg_affected_rows() returns the number of tuples (instances/records/rows) affected by INSERT, UPDATE, and DELETE queries.
Since PostgreSQL 9.0 and above, the server returns the number of SELECTed rows. Older PostgreSQL return 0 for SELECT.
Note:
This function used to be called pg_cmdtuples().