register_tick_function
    (PHP 4 >= 4.0.3)
register_tick_function -- 
     Register a function for execution on each tick
    
Description
void 
register_tick_function ( callback function [, mixed arg])
     Registers the function named by func to be
     executed when a tick is
     called. Also, you may pass an array consisting of an object and a 
     method as the func.
    
     
Example 1. register_tick_function() example <?php
// using a function as the callback
register_tick_function('my_function', TRUE);
// using an object->method
$object = new my_class();
register_tick_function(array(&$object, 'my_method'), TRUE);
?> |  
  | 
    
     See also declare() and 
     unregister_tick_function().