<?php

global $eb_hooks;

$eb_hooks = array();

function eb_hook($hook_name, $code)

{

  global $eb_hooks;

  if ( !isset($eb_hooks[$hook_name]) )

    $eb_hooks[$hook_name] = array();

  $eb_hooks[$hook_name][] = $code;

}

function eb_fetch_hook($hook_name)

{

  global $eb_hooks;

  return ( isset($eb_hooks[$hook_name]) ) ? implode("\n", $eb_hooks[$hook_name]) : 'eb_void();';

}

// null function for filling empty hooks

function eb_void()

{

}