WP_list_hooked_functions

list_hooked_functions.php

function list_hooked_functions($tag=false){
   global $wp_filter;
   if ($tag) {
      $hook[$tag]=$wp_filter[$tag];
      if (!is_array($hook[$tag])) {
         trigger_error("Nothing found for '$tag' hook", E_USER_WARNING);
         return;
      }
   }
   else {
      $hook=$wp_filter;
      ksort($hook);
   }
   echo '<pre>';
   foreach($hook as $tag => $priority){
      echo "<br /><strong>$tag</strong><br />";
      ksort($priority);
      foreach($priority as $priority => $function){
         echo $priority;
         foreach($function as $name => $properties) echo "t$name<br />";
      }
   }
   echo '</pre>';
   return;
}