Why Can\'t I Load the php_curl.dll on Windows 7 64-bit with WAMP?

PHP cURL Troubleshooting: Windows 7 64-bit with WAMP

When using cURL with WAMP on Windows 7 64-bit, some users have encountered an error message stating that the dynamic library 'c:/wamp/bin/php/php5.4.3/ext/php_curl.dll' could not be loaded. This error typically occurs when the side-by-side configuration for the application is incorrect.

To resolve this issue, follow these steps:

1. Download the Correct cURL Version:

   • Visit http://www.anindya.com/php-5-4-3-and-php-5-3-13-x64-64-bit-for-windows/
   • Locate the download link for the cURL version that corresponds to your installed PHP version. (e.g., "php_curl-5.3.13-VC9-x64.zip" for PHP 5.3.13)

2. Replace the Existing php_curl.dll:

   • Unzip the downloaded cURL file.
   • Copy the "php_curl.dll" file from the unzipped folder.
   • Replace the existing "php_curl.dll" file in the "ext" folder located at "c:/wamp/bin/php/php5.4.3/ext".

3. Restart WAMP and Web Server:

   • Close and restart WAMP.
   • Restart the web server.

After following these steps, cURL should be enabled and working properly on your WAMP environment.

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