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Shared Memory Functions. Table of Contents. shmop_close — Close shared memory block; shmop_delete — Delete shared memory block; shmop_open 28 Sep 2010 In my previous articles on using PHP for multi-process programming, we kept it very simple. This is accomplished with PHP's shm_attach() function. . this is wonderful tutorial .. i read it 5 times and get a fantastic results and 17 Jan 2012 A step-by-step guide on how to use shared memory in PHP as a storage option The first example of this is the shmop_open function, which allows .. Read other developerWorks articles and tutorials related to PHP content. = 4.0.4, PHP 5, PHP 7) shmop_write() will write a string into shared memory block. The shared memory block identifier created by shmop_open(). 25 Dec 2011 Shared memory allows multiple processes to access the same data in memory. You can use it to share data among running PHP scripts.Shared Memory FunctionsIntroduction Shmop is an easy to use set of functions that allows PHP to read, write, create and delete Unix shared memory segments. I wrote a php memcache back in 2003 as a sort of proof of concept it is use on a . Although it doesn't use the shmop function, the underlying concept is similar. shmop made simple: $test=get_cache('test'); save_cache($test, 'test1', 600); To save/get cache that easily just save this as cache.php or whatever you see fit: