pg_free_result

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

    pg_free_result — Free result memory

    Descrição

    pg_free_result(PgSql\Result$result): bool

    pg_free_result() frees the memory and data associated with the specified PgSql\Result instance.

    This function need only be called if memory consumption during script execution is a problem. Otherwise, all result memory will be automatically freed when the script ends.

    Nota:

    This function used to be called pg_freeresult().

    Parâmetros

    result

    Uma instância de PgSql\Result, retornada por pg_query(), pg_query_params() ou pg_execute() (entre outras).

    Valor Retornado

    Retorna true em caso de sucesso ou false em caso de falha.

    Registro de Alterações

    VersãoDescrição
    8.1.0 O parâmetro result agora espera uma instância de PgSql\Result; anteriormente, um resource era esperado.

    Exemplos

    Exemplo #1 pg_free_result() example

    <?php
    $db     = pg_connect("dbname=users user=me") || die();

    $res = pg_query($db, "SELECT 1 UNION ALL SELECT 2");

    $val = pg_fetch_result($res, 1, 0);

    echo     "First field in the second row is: ", $val, "\n";

    pg_free_result($res);
    ?>

    O exemplo acima produzirá:

    First field in the second row is: 2

    Veja Também

    • pg_query() - Execute a query
    • pg_query_params() - Submits a command to the server and waits for the result, with the ability to pass parameters separately from the SQL command text
    • pg_execute() - Sends a request to execute a prepared statement with given parameters, and waits for the result
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