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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\install\module\requirements\task;
/**
* Installer task that checks if the server meats phpBB requirements
*/
class check_server_environment extends \phpbb\install\task_base
{
/**
* @var \phpbb\install\helper\database
*/
protected $database_helper;
/**
* @var \phpbb\install\helper\iohandler\iohandler_interface
*/
protected $response_helper;
/**
* @var bool
*/
protected $tests_passed;
/**
* Constructor
*
* @param \phpbb\install\helper\database $database_helper
* @param \phpbb\install\helper\iohandler\iohandler_interface $response
*/
public function __construct(\phpbb\install\helper\database $database_helper,
\phpbb\install\helper\iohandler\iohandler_interface $response)
{
$this->database_helper = $database_helper;
$this->response_helper = $response;
$this->tests_passed = true;
parent::__construct(true);
}
/**
* {@inheritdoc}
*/
public function run()
{
//
// Check requirements
// The error messages should be set in the check_ functions
//
// Check PHP version
$this->check_php_version();
// Check for getimagesize()
$this->check_image_size();
// Check for PCRE support
$this->check_pcre();
// Check for JSON support
$this->check_json();
// Check for dbms support
$this->check_available_dbms();
return $this->tests_passed;
}
/**
* Sets $this->tests_passed
*
* @param bool $is_passed
*/
protected function set_test_passed($is_passed)
{
// If one test failed, tests_passed should be false
$this->tests_passed = (!$this->tests_passed) ? false : $is_passed;
}
/**
* Check if the requirements for PHP version is met
*/
protected function check_php_version()
{
$php_version = PHP_VERSION;
if (version_compare($php_version, '5.3.9') < 0)
{
$this->response_helper->add_error_message('PHP_VERSION_REQD', 'PHP_VERSION_REQD_EXPLAIN');
$this->set_test_passed(false);
return;
}
$this->set_test_passed(true);
}
/**
* Checks if the installed PHP has getimagesize() available
*/
protected function check_image_size()
{
if (!@function_exists('getimagesize'))
{
$this->response_helper->add_error_message('PHP_GETIMAGESIZE_SUPPORT', 'PHP_GETIMAGESIZE_SUPPORT_EXPLAIN');
$this->set_test_passed(false);
return;
}
$this->set_test_passed(true);
}
/**
* Checks if the installed PHP supports PCRE
*/
protected function check_pcre()
{
if (@preg_match('//u', ''))
{
$this->set_test_passed(true);
return;
}
$this->response_helper->add_error_message('PCRE_UTF_SUPPORT', 'PCRE_UTF_SUPPORT_EXPLAIN');
$this->set_test_passed(false);
}
/**
* Checks whether PHP's JSON extension is available or not
*/
protected function check_json()
{
if (@extension_loaded('json'))
{
$this->set_test_passed(true);
return;
}
$this->response_helper->add_error_message('PHP_JSON_SUPPORT', 'PHP_JSON_SUPPORT_EXPLAIN');
$this->set_test_passed(false);
}
/**
* Check if any supported DBMS is available
*/
protected function check_available_dbms()
{
$available_dbms = $this->database_helper->get_available_dbms(false, true);
if ($available_dbms['ANY_DB_SUPPORT'])
{
$this->set_test_passed(true);
return;
}
$this->response_helper->add_error_message('PHP_SUPPORTED_DB', 'PHP_SUPPORTED_DB_EXPLAIN');
$this->set_test_passed(false);
}
/**
* {@inheritdoc}
*/
static public function get_step_count()
{
return 0;
}
/**
* {@inheritdoc}
*/
public function get_task_lang_name()
{
return '';
}
}
|
