Description:
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When loading php_ldap as an extension in PHP 5.4.13 on Windows 7 64bit I seem to not be able to work with LDAP and found the following error in the eventvwr after loading my webserver:

Unable to load dynamic library 'C:\Program Files (x86)\PHP\5.4.13\ext\php_ldap.dll' - %1 is not a valid Win32 application.

It seems there is a compatability issue with this DLL.

Expected result:
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No error when loading php_ldap.dll and LDAP functionality working

Actual result:
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I checked php -m and it lists the ldap module being loaded, however phpinfo() doesn't seem to think so.

Other libraries like php_bz2.dll are loaded without problems, they show up in the output of both php -m and phpinfo();