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Class: Multi-thread Simulation


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      Classes of Alex Lau  >  Multi-thread Simulation  >  Download  >  Support forum Support forum  >  RSS 1.0 feed RSS 2.0 feed Latest changes  >  Stumble It! Stumble It!  >  Bookmark in del.icio.us Bookmark in del.icio.us  
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  • Supplied by:

    Picture of Alex Lau
    Name: Alex Lau <e-mail contact>
    Published packages: 2
    Country: Hong Kong Hong Kong - PHP jobs in Hong Kong
    Home page: ???
    Age: 20
    All time rank: 697
    Week rank: 210

    Browse this author's classes

  • Innovation Award:

    PHP Programming Innovation award nominee
    July 2007
    Number 2
    		 Some applications need to perform several tasks that may take a while to finish. When there are many tasks to execute, it may take a long time to finish all of them if they are executed sequentially, i.e. one after another.

    A possible solution for this problem is to execute several tasks at the same time using separate processes or threads.

    PHP has the pcntl extension that can be used to run multiple processes in parallel. However, this extension is only available in Linux or Unix like operating systems.

    This package provides an alternative solution that consists in sending multiple HTTP requests to the same Web server on which PHP is running.

    Each HTTP request triggers the execution of a different task. Many requests can be run at the same time without having to wait for each one to finish.

    This solution can run in Windows and all other operating systems supported by PHP, including PHP environments on which the pcntl extension is not installed.

    Manuel Lemos

  • Groups:

    Group folder image HTTP HTTP protocol clients, headers and cookies View top rated classes
    Group folder image Utilities and Tools General purpose tools to simplify software development View top rated classes
    Group folder image Language Constructs to assist in the language control View top rated classes

  • Detailed description:

    This class can emulate the execution of program threads using separate HTTP requests to the same script.

    It establishes an HTTP connection to the same Web server to execute the same PHP script. It sends a request passing the name a function to execute and an argument to be passed to that function.

    The requested script executes some code that detects the thread execution request and calls the specified function.

    When the thread request script ends, the return values of the called function is returned as a serialized string.

    The calling script can execute other tasks while the thread script runs. The results may be collected later when the thread script ends.

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  • Trackback links:

    Link Description
    Improved Thread Simulation Class for PHP Threads. Most PHP scripts do just fine without them...
    PHP Multithreading Immagino che ai più le due parole del titolo suonino abbastanza male, in effetti php per sua natura non supporta i thread, il che è palesemente ovvio visto che è un linguaggio di scripting nato per fare tutt’altra cosa...
    PHP Multithreading - Faking It PHP doesn’t really support multi-threading per se but there are ways to do “fake” multithreading...
    Latest blog trackback links Latest blog trackback links

  • Applications that use this class:

    No application links were specified for this class.
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  • Files:

    File Role Description
    Plain text file test.php Example An example
    Plain text file Thread.php Class The main class
    Download all files: thread.tar.gz thread.zip
    NOTICE: if you are using a download manager program like 'GetRight', please Login before trying to download this archive.

 
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