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!This plugin hasn’t been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

Zend InfoCard Interfaces

The Zend InfoCard Interfaces contain everything you need to provide support for Windows Cardspace™ and other infomation card technologies in your plug


Zend InfoCard Interfaces is automatically made available in the PHP include path.

You may check Zend InfoCard Interfaces availability using the WP_ZEND_INFOCARD_INTERFACES constant. Here is an example of how to do that in your plugin code:

function check_for_zend_infocard_interfaces() {
  // if the Zend InfoCard Interfaces plugin is successfully
  // loaded this constant is set to true
  if (defined('WP_ZEND_INFOCARD_INTERFACES') && 
    return true;
  // you can also check if the Zend InfoCard Interfaces are 
  // available on the system
  $paths = explode(PATH_SEPARATOR, get_include_path());
  foreach ($paths as $path) {
    if (file_exists("$path/Zend/Loader.php")) {
      define('WP_ZEND_INFOCARD_INTERFACES', true);
      return true;
  // nothing found, you may advice the user to install 
  // the Zend InfoCard Interfaces plugin

add_action('init', 'check_for_zend_infocard_interfaces');

Requires: 2.0 or higher
Compatible up to: 2.9.2
Last Updated: 7 years ago
Active Installs: Less than 10


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