pg_lo_write

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

pg_lo_writeWrite to a large object

Açıklama

pg_lo_write(PgSql\Lob$lob, string$data, ?int$length = null): int|false

pg_lo_write() writes data into a large object at the current seek position.

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

Bilginize:

This function used to be called pg_lowrite().

Bağımsız Değişkenler

lob

pg_lo_open()işlevinden dönen PgSql\Lob nesnesi.

data

The data to be written to the large object. If length is an int and is less than the length of data, only length bytes will be written.

length

An optional maximum number of bytes to write. Must be greater than zero and no greater than the length of data. Defaults to the length of data.

Dönen Değerler

The number of bytes written to the large object, or false on error.

Sürüm Bilgisi

Sürüm: Açıklama
8.1.0lob bağımsız değişkeni artık PgSql\Lob nesnesi kabul ediyor, evvelce bir özkaynak kabul ederdi.
8.0.0length is now nullable.

Örnekler

Örnek 1 pg_lo_write() example

<?php
$doc_oid
= 189762345;
$data = "This will overwrite the start of the large object.";
$database = pg_connect("dbname=jacarta");
pg_query($database, "begin");
$handle = pg_lo_open($database, $doc_oid, "w");
$data = pg_lo_write($handle, $data);
pg_query($database, "commit");
?>

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