Passing Class Method as a Call-Back Function in WordPress

Question

I\'m looking for a way to pass a class method to a call-back function parameter.

I usually use create_function() as follows but I\'ve heard it is slow and m

Answer 1

Create a static method which returns the array containing the class instance and the method name.

/* 
    Plugin Name: static method callback demo
*/

add_action('admin_menu', AdminPageClass::_admin_menu());

class AdminPageClass {

    static function _admin_menu() {
        $class_name = get_class();
        $classinstance = new $class_name();
        return array(&$classinstance, "admin_menu");
    }
    function admin_menu($instantiate=false) {
        add_options_page(
            'Sample Admin Page Class', 
            'Sample Admin Page Class', 
            'manage_options',
            'sample_admin-page_class', 
            array(&$this, 'admin_page'));
    }
    function admin_page() {
        ?>
        

            
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