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How to call c++ functions(from a dll) in PHP

Posted on 2004-10-15
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Last Modified: 2008-03-03
How can i call my c++ dll functions in PHP? If i include it in extensions directory and put an entry in php.ini?
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Question by:Gk
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Expert Comment

by:ThePCNerd
ID: 12323843
In php the functions are called just as normal php functions, you build the code for php to understand and register functions with php in your dll.

Here is the manual for creating a php extension and includes portions on how to turn your functions into php functions accessable by normal php code.

http://www.php.net/manual/en/zend.php
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Accepted Solution

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enune earned 50 total points
ID: 12326142
Hi Gk,

Unfortunately PHP offers no way of loading external DLL's and/or exececuting code from them, as it was primarily written as a cross-platform scripting language.

However, one solution to your problem may be to write a small C/C++ application to call your DLL functions, and use PHP's many shell functions (linked below) to retrieve the data/return values from your functions.

Shell execution functions:
http://www.php.net/passthru
http://www.php.net/shell_exec
http://www.php.net/system
http://www.php.net/exec

Cheers,
Enune
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