setup.php

<?php
/*
 * @version $Id: HEADER 15930 2011-10-30 15:47:55Z tsmr $
 -------------------------------------------------------------------------
 environmen plugin for GLPI
 Copyright (C) 2009-2016 by the environmen Development Team.

 https://github.com/InfotelGLPI/environmen
 -------------------------------------------------------------------------

 LICENSE

 This file is part of environmen.

 environmen is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

 environmen is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with environmen. If not, see <http://www.gnu.org/licenses/>.
 --------------------------------------------------------------------------
 */

// Init the hooks of the plugins -Needed
function plugin_init_environment() {
   global $PLUGIN_HOOKS;

   $PLUGIN_HOOKS['csrf_compliant']['environment'] = true;
   $PLUGIN_HOOKS['change_profile']['environment'] =
      ['PluginEnvironmentProfile', 'initProfile'];

   if (Session::getLoginUserID()) {

      Plugin::registerClass('PluginEnvironmentProfile',
                            ['addtabon' => 'Profile']);

      if (Session::haveRight("plugin_environment", READ)) {

         $PLUGIN_HOOKS['menu_toadd']['environment'] = ['assets' => 'PluginEnvironmentDisplay'];

      }
   }
}

// Get the name and the version of the plugin - Needed
/**
 * @return array
 */
function plugin_version_environment() {

   return [
      'name'           => __('Environment', 'environment'),
      'version'        => '2.2.1',
      'license'        => 'GPLv2+',
      'author'         => "<a href='http://infotel.com/services/expertise-technique/glpi/'>Infotel</a>",
      'homepage'       => 'https://github.com/InfotelGLPI/environment',
      'minGlpiVersion' => '9.3',
   ];

}

// Optional : check prerequisites before install : may print errors or add to message after redirect
/**
 * @return bool
 */
function plugin_environment_check_prerequisites() {
   if (version_compare(GLPI_VERSION, '9.3', 'lt') || version_compare(GLPI_VERSION, '9.4', 'ge')) {
      echo __('This plugin requires GLPI >= 9.3');
      return false;
   }
   return true;
}

// Uninstall process for plugin : need to return true if succeeded : may display messages or add to message after redirect
/**
 * @return bool
 */
function plugin_environment_check_config() {
   return true;
}