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pg_lowrite
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pg_lowrite

Name

pg_lowrite — Writes a large object.

Synopsis

int pg_lowrite(fd, string); int fd: File descriptor string string: String to write

Returns

Size of data written; FALSE on error

Description

Writes the contents of a string to a large object. The file descriptor, which is obtained from pg_loopen() , must be writeable.

Example

Example 1051. Write a large object

if (isset($submit)) {
    $db = pg_connect("host=dbserver dbname=db user=dbuser password=dbpasswd") or die ("Unable to connect");
    pg_exec($db,"begin");
    $oid = pg_locreate($db);
    $fd = pg_loopen ($db, $oid, "w");
    pg_lowrite ($fd, $file);
    echo "Uploaded image with oid $oid";
    pg_loclose ($fd);   
    pg_exec($db,"commit");
} else {
    echo "<form enctype=\"multipart/form-data\">";
    echo "<input type=file name=file>";
    echo "<input type=submit name=submit value=UPLOAD>";
    echo "</form>";
}

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PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/). The authors of this book have elected not to choose any options under the OPL. This online book was obtained from http://www.fooassociates.com/phpfer/ and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.