# 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

### Descripción

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().

### Parámetros

`result`

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

### Valores devueltos

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

### Historial de cambios

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

### Ejemplos

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.

### Ver también

- pg_num_fields() - Returns the number of fields in a result
- pg_affected_rows() - Devuelve el número de registros afectados (filas)