pg_num_rows

(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)

pg_num_rows — Returns the number of rows in a result

pg_num_rows(PgSql\Result$result): int

pg_num_rows() will return the number of rows in an PgSql\Result instance.

Nota:
This function used to be called pg_numrows().

result: An PgSql\Result instance, returned by pg_query(), pg_query_params() or pg_execute()(among others).

The number of rows in the result. On error, -1 is returned.

Versión	Descripción
8.1.0	The `result` parameter expects an PgSql\Result instance now; previously, a recurso was expected.

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.