pg_fetch_row

    (PHP 4, PHP 5, PHP 7, PHP 8)

    pg_fetch_row — Get a row as an enumerated array

    Descripción

    pg_fetch_row(PgSql\Result$result, ?int$row = null, int$mode = PGSQL_NUM): array|false

    pg_fetch_row() fetches one row of data from the result associated with the specified result instance.

    Nota: Esta función define campos NULOS al valor null de PHP.

    Parámetros

    result

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

    row

    Row number in result to fetch. Rows are numbered from 0 upwards. If omitted or null, the next row is fetched.

    mode

    An optional parameter that controls how the returned array is indexed. mode is a constant and can take the following values: PGSQL_ASSOC, PGSQL_NUM and PGSQL_BOTH. Using PGSQL_NUM, the function will return an array with numerical indices, using PGSQL_ASSOC it will return only associative indices while PGSQL_BOTH will return both numerical and associative indices.

    Valores devueltos

    An array, indexed from 0 upwards, with each value represented as a string. Database NULL values are returned as null.

    false is returned if row exceeds the number of rows in the set, there are no more rows, or on any other error.

    Historial de cambios

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

    Ejemplos

    Ejemplo #1 pg_fetch_row() example

    <?php

    $conn     = pg_pconnect("dbname=publisher");
    if (!    $conn) {
    echo     "An error occurred.\n";
    exit;
    }

    $result = pg_query($conn, "SELECT author, email FROM authors");
    if (!    $result) {
    echo     "An error occurred.\n";
    exit;
    }

    while (    $row = pg_fetch_row($result)) {
    echo     "Author: $row[0] E-mail: $row[1]";
    echo     "<br />\n";
    }

    ?>

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