lockr_field_encrypt.install in Lockr 7.3

File

modules/lockr_field_encrypt/lockr_field_encrypt.install

<?php

/**
 * Implements hook_enable().
 */
function lockr_field_encrypt_enable() {

  // Clear the cache of existing data.
  cache_clear_all('*', 'cache_field', TRUE);

  // Get the current cache class.
  $old_cache = variable_get('cache_class_cache_field', NULL);

  // If the current cache class was provided by FieldEncrypt.
  if (substr($old_cache, 0, 12) == 'FieldEncrypt') {

    // Save the cache class, then remove it.
    variable_set('lockr_field_encrypt_old_cache', $old_cache);
    variable_del('cache_class_cache_field');
  }
}

/**
 * Implements hook_disable().
 */
function lockr_field_encrypt_disable() {

  // Clear the cache of existing data.
  cache_clear_all('*', 'cache_field', TRUE);

  // Set the old cache class if there was one.
  $old_cache = variable_get('lockr_field_encrypt_old_cache', NULL);
  if ($old_cache === NULL) {
    variable_del('cache_class_cache_field');
  }
  else {
    variable_set('cache_class_cache_field', $old_cache);
  }

  // Delete the variable that held the old cache class.
  variable_del('lockr_field_encrypt_old_cache');
}

Functions

Name	Description
lockr_field_encrypt_disable	Implements hook_disable().
lockr_field_encrypt_enable	Implements hook_enable().