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gzseek
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gzseek

Name

gzseek — Moves the file pointer to a specified location

Synopsis

int gzseek(zp, Offset); int zp: File pointer int Offset: Bytes to move to

Returns

the position of the pointer on success, -1 on failure

Description

Seeks inside a gzip file to a specifed location. When reading gzip file, be aware that this can be slow to execute. If writing a gzip file, you are able to seek forward in the file only, and the intervening space wil be padded with 0's.

Version

PHP 3, PHP 4 >= 4.0b1

Example

Example 1458. Move to a specific location in a file

$gz = gzopen("myfile.gz","r");
gzseek($gz,2);
gzgetc($gz);
gzclose($gz);

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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.