Just curious - whether AJAX Action can be hooked into wp hook?
For Example:
add_action( 'wp', array( 'MyAjaxRegistrarClass', 'ajax_registrar' ) );

// MyAjaxRegistrarClass
class MyAjaxRegistrarClass{

    public static function ajax_registrar() {       
        //Call fn_register_ajax of other classes here
}//Class Ends here

// MyAnotherClass
class MyAnotherClass {

    public static function fn_register_ajax() {     
        add_action( 'wp_ajax_testing_ajax', array(__CLASS__, 'testing_ajax' ) );

    public static function testing_ajax() {     
        echo 'Success!'.__FUNCTION__.' was called from '.__CLASS__;     

Any pointer? Of-course, there are many options for Ajax Hooks. Just curious to know whether this can be done or not.

  • I don't even remember there being wp hook, what exactly do you want to achieve with it and for what purpose? :) – Rarst Oct 8 '15 at 14:28
  • There is indeed a wp hook (codex.wordpress.org/Plugin_API/Action_Reference/wp), but I don't know whyy you'd want to do this? – vancoder Oct 8 '15 at 21:24
  • I just wanted to register my ajax actions after WP object has been created. Because after WP I can identify post/page based on which I would register ajax actions. Note: I wanted to register ajax actions only when a particular page/custom post type post loads. – Niraj Kumar Oct 16 '15 at 10:59

Apparently not! My design goal was to automate the creation of related objects while performing ajax options. However, I have modified it to automate the same task differently.

  • Now all ajax functions in my classes are static.
  • JavaScript captures the class name and function name where the ajax processing will happen (as these are provided as JavaScript variables programmatically) and send the same with ajax post/get.
  • Get/Post data gets captured by a universal ajax processor and determines which class::function to call.

So, considering this, all I have to do is create just one ajax_action hook for my universal ajax processor.

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