Description:
------------
In command line, it works. I can load and use functions provided by PECL package php_ibm_db2

However, when I call my php script via Web server Apache 2 it does not work
Error in php log file:
[03-Aug-2007 22:46:50] PHP Warning:  PHP Startup: Unable to load dynamic library 'E:/wamp/php/ext/php_ibm_db2.dll' - The specified module could not be found.
 in Unknown on line 0

I'm using WAMP5 1.7.2 

Reproduce code:
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try{
		$db2_source = &$DATA_SOURCES['db2'];
		if ($db2_source['db'] = db2_connect($db2_source['conn'], '', '')) {
			echo "Successfully connected to the db2 database\n";
			db2_close($db2_source['db']);
		} else {
			throw new Exception("Can not connect to the db2 database");
		}
	}
	catch (Exception $e){
		$e->getMessage();
	}

Expected result:
----------------
Successfully connected to the db2 database

Actual result:
--------------
Fatal error:  Call to undefined function db2_connect() in E:\wamp\www\DBConnector\test.php on line 38