(PHP 4 >= 4.2.0, PHP 5)
pg_num_rows — Returns the number of rows in a result
$result
)pg_num_rows() will return the number of rows in a PostgreSQL result resource.
Nota:
This function used to be called pg_numrows().
result
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.
Ejemplo #1 pg_num_rows() example
<?php
$result = pg_query($conn, "SELECT 1");
$rows = pg_num_rows($result);
echo $rows . " row(s) returned.\n";
?>
El resultado del ejemplo sería:
1 row(s) returned.