PHP kézikönyv
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# pg_lo_create

(PHP 4 >= 4.2.0, PHP 5)

pg_lo_create -- Create a large object

## Leírás

int pg_lo_create ( [resource connection] )

pg_lo_create() creates a large object and returns the OID of the large object. PostgreSQL access modes `INV_READ`, `INV_WRITE`, and `INV_ARCHIVE` are not supported, the object is created always with both read and write access. `INV_ARCHIVE` has been removed from PostgreSQL itself (version 6.3 and above).

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

Instead of using the large object interface (which has no access controls and is cumbersome to use), try PostgreSQL's bytea column type and pg_escape_bytea().

> Megjegyzés: This function used to be called pg_locreate().

## Paraméterek

connection

  PostgreSQL database connection resource. When connection is not present, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().

## Visszatérési értékek

A large object OID or `FALSE` on error.

## Példák

Példa 1. pg_lo_create() example

`<?php $database = pg_connect("dbname=jacarta"); pg_query($database, "begin"); $oid = pg_lo_create($database); echo "$oid\n"; $handle = pg_lo_open($database, $oid, "w"); echo "$handle\n"; pg_lo_write($handle, "large object data"); pg_lo_close($handle); pg_query($database, "commit"); ?>`

Előző | Tartalom | Következő
pg_lo_close | Fel | pg_lo_export