Enable PHP extensions on Azure Web App on Windows

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For the case your web app is hosted on Azure App Service on Windows, if the PHP extensions are not available, you need to install or enable them.

Some PHP extensions that are available in default PHP but not enabled, such as php_gmp, php_ldap, php_sockets,  etc. You can verify this from Kudu. If you use PHP on 32-bit platform, preinstalled PHP extensions are under "D:\Program Files (x86)\PHP\<your-php-version>\ext". If you use PHP 7 on 64-bit, check "D:\Program Files\PHP\<your-php-version>\ext".

 

Here is how to enable them for your Azure App,

  1. Create the a file in d:\home\site\ini (create the folder "ini" if the folder does not exist) and name it "extensions.ini" ,
  2. Add the extension(s) in "extensions.ini" file, e.g.
      extension=php_gmp.dll
     extension=php_ldap.dll

3. Add PHP_INI_SCAN_DIR in App settings from Azure portal

      Key = PHP_INI_SCAN_DIR
     Value = d:\home\site\ini

 

Verify the extension from phpinfo page, if you see the extension section from phpinfo page, it is enabled.

Reference, /en-us/azure/app-service-web/web-sites-php-configure