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pg_lo_read_all
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pg_lo_read_all

(PHP 4 >= 4.2.0, PHP 5)

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

Popis

int pg_lo_read_all ( resource large_object )

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.

Poznámka: This function used to be called pg_loreadall().

Seznam parametrů

large_object

PostgreSQL large object (LOB) resource, returned by pg_lo_open().

Návratové hodnoty

Number of bytes read or FALSE on error.

Příklady

Příklad 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");
?>

Viz také

pg_lo_read()

PředcházejícíDomůDalší
pg_lo_openNahoru