WordPress custom hook

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The problem occurs with the fact that I do not know the anatomy of WordPress(it is a first time i’m working with WP), and the task should be solved urgently. I developed a plugin for openID authorization by one of non-popular openID provider. I developed plugin as though it calls main function on ‘init’ hook. So no one non-authorised user can access any page of site. But task is that i must have “authorise” link on my index page and authorisation must be performed just right after clicking to this link. I tryed to solve problem using custom hook.

I added following to my plugins main file (it is a class function)

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public function m_authenticate(){
    do_action('m_authenticate');
}

Than added an action like that 

add_action('m_authenticate', array(&$this, 'mAuthenticate'), 7);

Here mAuthenticate is a function which redirects to openID provider for auth.
After that i created a php script with this hook 

<?php
m_authenticate();

But on calling this script by browser, it occurs an error that script cannot find a function m_authenticate(). IF i require script in which m_authenticate() is defined, then it occurs an error with other lines of this script, for e.g. cannot find function on line 

register_activation_hook( __FILE__, array('some_func', 'addNewWordPressAdmin'));

Pls, help with advise how to make seperate page with this openID functionality. Any help will be appreciated.

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1 comment

  1. Here is one way to solve this problem. Here you have the plugin with the class:

    <?php
    /* Plugin Name: WP Test */

    class MyAuthHookClass {

    public function __construct() {
    add_action('m_authenticate', array( $this, 'mAuthenticate') );
}

public function mAuthenticate() {
    echo "<h1>My Auth</h1>";
}

public static function m_authenticate(){
    do_action('m_authenticate');
} }

    new MyAuthHookClass();

    And in theme structure I put the hook in header.php:

    <?php if(class_exists('MyAuthHookClass')) MyAuthHookClass::m_authenticate(); ?>