function _nodewords_invoke in Nodewords: D6 Meta Tags 5

Invoke a hook_nodewords() operation in all modules.

Parameters

&$tags: A tags object.

$op: A string containing the name of the nodewords operation ('prepare' => prepares the tags before output).

$a3, $a4: Additional parameters to pass through this hook (for 'prepare': $a3 is the type of page ('node', 'taxonomy', ...) and $a4 is an array of ids of the page of this type).

Return value

The returned value of the invoked hooks.

2 calls to _nodewords_invoke()

_nodewords_get_possible_tags in ./nodewords.module

Return a list of possible output tags

_nodewords_prepare in ./nodewords.module

Prepare the tags so they are ready for output. This includes:

File

./nodewords.module, line 1032

Assign META tags to nodes, vocabularies, terms and pages.

Code

function _nodewords_invoke(&$tags, $op, $a3, $a4) {
  $return = array();
  foreach (module_implements('nodewords') as $name) {
    $function = $name . '_nodewords';
    $result = $function($tags, $op, $a3, $a4);
    if (isset($result) && is_array($result)) {
      $return = array_merge($return, $result);
    }
    else {
      if (isset($result)) {
        $return[] = $result;
      }
    }
  }
  return $return;
}