cache_disable.module

<?php

if (!function_exists('cache_get')) {
  function cache_get($key, $table = 'cache') {
    return FALSE;
  }
  function cache_set($cid, $data, $table = 'cache', $expire = CACHE_PERMANENT, $headers = NULL) {
    return;
  }
  function cache_clear_all($cid = NULL, $table = NULL, $wildcard = FALSE) {
    return;
  }    
}
function cache_disable_enable() {
  variable_set('cache_inc', './'. drupal_get_path('module', 'cache_disable') .'/cache_disable.module');
}
function cache_disable_disable() {
  variable_del('cache_inc');
}