excerpt.install

<?php
/* $Id: excerpt.install,v 1.5 2009/03/31 01:32:53 weitzman Exp $ */

/**
 * Implementation of hook_uninstall().
 */
function excerpt_uninstall() {
  // Delete all the excerpt variables and clear the variable cache.
  db_query("DELETE FROM {variable} WHERE name LIKE 'excerpt_%'");
}

/**
 * @defgroup updates-4.7-to-5.0 Excerpt updates from 4.7 to 5.0
 * @{
 */

/**
 * Update variable names.
 */
function excerpt_update_5000() {
  $ret = array();
  foreach (node_get_types() as $type) {
    $old_var = 'excerpt_option_'. $type->type;
    $old_val = variable_get($old_var, NULL);
    if (isset($old_val)) {
      $new_var = 'excerpt_'. $type->type;
      $new_val = variable_get($new_var, NULL);
      // Don't overwrite existing variables.
      if (!isset($new_val)) {
        variable_set($new_var, $old_val);
      }
      // Delete old_val variable.
      variable_del($old_var);
    }
  }
  return $ret;
}

/**
 * @} End of "defgroup updates-4.7-to-5.0"
 */