pg_lo_read_all

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

    pg_lo_read_all — Reads an entire large object and send straight to browser

    Descrição

    pg_lo_read_all(PgSql\Lob$lob): int

    pg_lo_read_all() reads a large object and passes it straight through to the browser after sending all pending headers. Mainly intended for sending binary data like images or sound.

    To use the large object interface, it is necessary to enclose it within a transaction block.

    Nota:

    This function used to be called pg_loreadall().

    Parâmetros

    lob

    Uma instância de PgSql\Lob, retornada por pg_lo_open().

    Valor Retornado

    Number of bytes read.

    Registro de Alterações

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

    Exemplos

    Exemplo #1 pg_lo_read_all() example

    <?php
    header    ('Content-type: image/jpeg');
    $image_oid = 189762345;
    $database = pg_connect("dbname=jacarta");
    pg_query($database, "begin");
    $handle = pg_lo_open($database, $image_oid, "r");
    pg_lo_read_all($handle);
    pg_query($database, "commit");
    ?>

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