PHP cURL is won’t work sometimes in wamp server on windows 64 bit. Here Windows OS may be XP, 7, 8 or 10. But for 64 bit system it’s may occur. It’s common problem. This is different from 32 bit.
This error will give following type of error message,
PHP Startup: unable to load dynamic library 'c:/wamp/bin/php/php5.4.3/ext/php_curl.dll' - the application has failed to start because its side-by-side configuration is incorrect. Please see the application event log or use the command-line sxstrace.exe tool for more detail."
This is problem with your php_curl.dll file. Ok, How to fix this PHP cURL not working in WAMP server on windows 64 bit problem?
Simple, you have to replace this php_curl.dll file with updated file.
PHP cURL is not working in WAMP server on windows 64 bit
First find your version of PHP. Then download following .zip file which is suit to you.
For PHP 5.3.13 version,
For PHP 5.4.3 version,
After download file, unzip that. Then replace php_curl.dll file in the ext folder.
ext folder present in ‘wamp/bin/php/php[your-version]/ext’.
If you are using 32 bit windows, solution is here.