Windows (Windows Server 2003 64-bit) turns on the Curl extension (Php-5.4.5-win32-vc9-x86.zip,httpd-2.2.22-win32-x86-no_ssl.msi, Mysql-5.5.27-win32.msi)

(1) Open Curl Extension under Windows, Extension_dir path in php.ini is right, extension=php_ Curl.dll in front of the semicolon also removed, PHP loaded php.ini is right, but there is no effect, the internet Baidu, solved.

The PHP directory needs to be Libeay32.dll, Ssleay32.dll, Php5ts.dll, files to the System32 directory. Restart Apache.

(2) in Windows Server 2003 64-bit, you need to copy Libeay32.dll, Ssleay32.dll, php5ts.dll three files to syswow64 ( This file is a subsystem of the Windows operating system, Able to run 32-bit applications and exist on all 64-bit versions of Windows , and then restart Apache, you'll see curl-related information in phpinfo and the curl extension turned on. If you just copied to c:/windows, the Curl extension information is not visible in phpinfo, but the curl extension is actually turned on. The copy to C:/windows/system32 Open extension is not valid.