Description:
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I have configured Apache2.2, PHP5.2.5(Windows Installer). In the installer I didn't find php_imagick.dll which is the extension for ImageMagick. I downloaded from the PECL extensions in php.net site. There I found the file and copied to the php/ext folder and configured the php.ini file to enable this extension. But it says the following error

PHP Startup: Unable to load dynamic library 'D:\PHP\ext\php_imagick.dll' - The specified module could not be found.

Reproduce code:
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;;;;This is the configuration I am having for extensions in my php.ini

; Directory in which the loadable extensions (modules) reside.
extension_dir ="D:\PHP\ext"


;;;;;;;;;;;;;;;;;;;;;;
; Dynamic Extensions ;
;;;;;;;;;;;;;;;;;;;;;;
;extension=php_xsl.dll
;extension=php_zip.dll
extension=php_imagick.dll


Expected result:
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The extension cannot be loaded. and says the following error

PHP Startup: Unable to load dynamic library 'D:\PHP\ext\php_imagick.dll' - The specified module could not be found.