module_invoke_all

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Definition

module_invoke_all()
includes/module.inc, line 195

Description

Invoke a hook in all enabled modules that implement it.

Parameters

$hook The name of the hook to invoke.

... Arguments to pass to the hook.

Return value

An array of return values of the hook implementations. If modules return arrays from their implementations, those are merged into one array.

Related topics

Name	Description
Hooks	Allow modules to interact with the Drupal core.

Code

<?php
function module_invoke_all() {
  $args = func_get_args();
  $hook = array_shift($args);
  $return = array();
  foreach (module_implements($hook) as $module) {
    $function = $module .'_'. $hook;
    $result = call_user_func_array($function, $args);
    if (is_array($result)) {
      $return = array_merge($return, $result);
    }
    else if (isset($result)) {
      $return[] = $result;
    }
  }

  return $return;
}
?>