(PHP 4 >= 4.2.0, PHP 5)
pg_num_rows() will return the number of rows in a PostgreSQL result resource.
Замечание: This function used to be called pg_numrows().
PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).
The number of rows in the result. On error, -1 is returned.
Пример 1. pg_num_rows() example
<?php$result = pg_query($conn, "SELECT 1");$rows = pg_num_rows($result);echo $rows . " row(s) returned.\n";?>
Результат выполнения данного примера:
1 row(s) returned.