Dynamic Drupal page preprocessors for taxonomies

gistfile1.php

function TEMPLATE_preprocess_page(&$variables) {
  // Set some vars for ease
  $node = isset($variables['node']) ? $variables['node'] : '';
  $page = &$variables['page'];

  // The good bit:
  if(arg(0) == 'taxonomy') {
    // Preprocess because it's a taxonomy
    $function = __FUNCTION__ .'_taxonomy';
    if(function_exists($function)) {
      $function($variables);
    }
    if(arg(1) == 'term') {
      $tid = arg(2);
      $term = taxonomy_term_load($tid);
      $vocabulary = $term->vocabulary_machine_name;

      $variables['term'] = $term;

      // Preprocess because it's a term
      $function = __FUNCTION__ .'_term';
      if(function_exists($function)) {
        $function($variables);
      }
      // Preprocess because it's a term in a certain vocab
      $function = __FUNCTION__ .'_term_'. $vocabulary;
      if(function_exists($function)) {
        $function($variables);
      }
    }
  }
  
}