session_cache_file.install in Session Cache API 7

session_cache_file.install

File

session_cache_file/session_cache_file.install

<?php

/**
 * @file
 * session_cache_file.install
 */

/**
 * Implements hook_requirements().
 */
function session_cache_file_requirements($phase) {
  if ($phase != 'runtime') {
    return;
  }
  $t = get_t();
  $requirements['session_cache_file']['title'] = $t('Session Cache File cache');
  $session_cache_root = session_cache_file_directory();
  if ($session_cache_root) {
    $requirements['session_cache_file']['value'] = $t('Installed at %path', array(
      '%path' => $session_cache_root,
    ));
    $requirements['session_cache_file']['severity'] = REQUIREMENT_OK;
  }
  else {
    $requirements['session_cache_file']['value'] = $t('Not set or could not be created. Check directory permissions or re-configure <a href="@url">here</a>.', array(
      '@url' => url('admin/config/media/file-system'),
    ));
    $requirements['session_cache_file']['severity'] = REQUIREMENT_ERROR;
  }
  return $requirements;
}

/**
 * Implements hook_uninstall().
 */
function session_cache_file_uninstall() {
  require_once 'session_cache_file.module';
  $session_cache_root = session_cache_file_directory();
  if ($session_cache_root) {

    // Delete session cache root and all directories and files below it.
    session_cache_file_rrmdir($session_cache_root);
  }
}

/**
 * Recursively delete a directory and all files in it.
 *
 * PHP's rmdir() only deletes if the directory is empty.
 *
 * @param string $dir
 *   The directory to be removed with all its contents.
 */
function session_cache_file_rrmdir($dir) {
  if (is_dir($dir)) {
    $files = scandir($dir);
    foreach ($files as $file) {
      if ($file != '.' && $file != '..') {
        if (is_dir("{$dir}/{$file}")) {
          session_cache_file_rrmdir("{$dir}/{$file}");
        }
        else {
          unlink("{$dir}/{$file}");
        }
      }
    }
    return rmdir($dir);
  }
  return FALSE;
}

Functions

Name	Description
session_cache_file_requirements	Implements hook_requirements().
session_cache_file_rrmdir	Recursively delete a directory and all files in it.
session_cache_file_uninstall	Implements hook_uninstall().