function xmlrpc_example_xmlrpc_alter in Examples for Developers 7

Implements hook_xmlrpc_alter().

Check to see if xmlrpc_example.add and xmlrpc_example.subtract methods are defined and replace their callbacks with custom code.

See also

hook_xmlrpc_alter()

Related topics

File

xmlrpc_example/xmlrpc_example.module, line 622

Module file for xmlrpc_example module.

Code

function xmlrpc_example_xmlrpc_alter(&$methods) {

  // Only perform alterations if instructed to do so.
  if (!variable_get('xmlrpc_example_alter_enabled', 0)) {
    return;
  }

  // Loop all defined methods (other modules may include additional methods).
  foreach ($methods as $index => $method) {

    // First element in the method array is the method name.
    if ($method[0] == 'xmlrpc_example.add') {

      // Replace current callback with custom callback
      // (second argument of the array).
      $methods[$index][1] = '_xmlrpc_example_alter_add';
    }

    // Do the same for the substraction method.
    if ($method[0] == 'xmlrpc_example.subtract') {
      $methods[$index][1] = '_xmlrpc_example_alter_subtract';
    }
  }
}