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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

Опис

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.

Зауваження:

This function used to be called pg_loreadall().

Параметри

lob

Примірник PgSql\Lob, якого повертає pg_lo_open().

Значення, що повертаються

Number of bytes read.

Журнал змін

Версія Опис
8.1.0 Тепер параметр lob має бути примірником PgSql\Lob. Раніше очікувався resource.

Приклади

Приклад #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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