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shmop_close — Closes (detaches from) a shared memory segment.


void shmop_close(shmop_id);
int shmop_id: ID of a shared memory segment


Returns nothing useful (As of PHP 4.0.5, integer 0 on success and FALSE on failure; however, the return value is considered to be void, so don't count on this)


shmop_close() closes the shared memory segment identified by shmop_id . shmop_id must be a valid shared memory identifier as returned by shmop_open() . Closing a segment doesn't destroy its contents or free its memory.


PHP 4 since 4.0.3


Example 1179. Close a shmop shared memory segment


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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