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PhpDig is a PHP MySQL based
Web Spider & Search Engine.



fseek — Seeks in a file.


int fseek(file_handle, offset);
resource file_handle: File handle
int offset: Offset in bytes


0 on success; -1 on error


Moves file pointer from its current position to a new position, forward or backward, specified by the number of bytes. You can determine the current position by using ftell() . This function doesn't operate on file pointers opened using FTP or HTTP. Note that seeking past EOF is not considered an error, but the file position is changed (even if invalid). When trying to seek before the start of the file, fseek() fails.


Example 326. Print every second character from a file

$fh = fopen("test.txt", "r");

$a = 0;

    fseek($fh, $a);
    echo (fgetc($fh));
    $a = $a + 2;


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 The authors of this book have elected not to choose any options under the OPL. This online book was obtained from 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.

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