<?php
/**
* @package Dotclear
* @subpackage Install
*
* @copyright Olivier Meunier & Association Dotclear
* @copyright GPL-2.0-only
*/
if (!defined('DC_RC_PATH')) {
return;
}
function dcSystemCheck($con, &$err)
{
$err = [];
if (version_compare(phpversion(), '7.4', '<')) {
$err[] = sprintf(__('PHP version is %s (7.4 or earlier needed).'), phpversion());
}
if (!function_exists('mb_detect_encoding')) {
$err[] = __('Multibyte string module (mbstring) is not available.');
}
if (!function_exists('iconv')) {
$err[] = __('Iconv module is not available.');
}
if (!function_exists('ob_start')) {
$err[] = __('Output control functions are not available.');
}
if (!function_exists('simplexml_load_string')) {
$err[] = __('SimpleXML module is not available.');
}
if (!function_exists('dom_import_simplexml')) {
$err[] = __('DOM XML module is not available.');
}
$pcre_str = base64_decode('w6nDqMOgw6o=');
if (!@preg_match('/' . $pcre_str . '/u', $pcre_str)) {
$err[] = __('PCRE engine does not support UTF-8 strings.');
}
if (!function_exists('spl_classes')) {
$err[] = __('SPL module is not available.');
}
if ($con->syntax() == 'mysql') {
if (version_compare($con->version(), '4.1', '<')) {
$err[] = sprintf(__('MySQL version is %s (4.1 or earlier needed).'), $con->version());
} else {
$rs = $con->select('SHOW ENGINES');
$innodb = false;
while ($rs->fetch()) {
if (strtolower($rs->f(0)) == 'innodb' && strtolower($rs->f(1)) != 'disabled' && strtolower($rs->f(1)) != 'no') {
$innodb = true;
break;
}
}
if (!$innodb) {
$err[] = __('MySQL InnoDB engine is not available.');
}
}
} elseif ($con->driver() == 'pgsql') {
if (version_compare($con->version(), '8.0', '<')) {
$err[] = sprintf(__('PostgreSQL version is %s (8.0 or earlier needed).'), $con->version());
}
}
return count($err) == 0;
}