install.php

<?php
/*+**********************************************************************************
 * The contents of this file are subject to the vtiger CRM Public License Version 1.0
 * ("License"); You may not use this file except in compliance with the License
 * The Original Code is:  vtiger CRM Open Source
 * The Initial Developer of the Original Code is vtiger.
 * Portions created by vtiger are Copyright (C) vtiger.
 * All Rights Reserved.
 ************************************************************************************/
include 'include/adodb/adodb.inc.php';

$config_file = 'config.inc.php';
if (!is_file($config_file)) {
	$contents = '';
	file_put_contents($config_file, $contents);
}

if (version_compare(phpversion(), '5.4') < 0) {
	$serverPhpVersion = phpversion();
	require_once 'phpversionfail.php';
	die();
}

require_once 'include/install/language/en_us.lang.php';
require_once 'include/install/resources/utils.php';
require_once 'vtigerversion.php';
global $installationStrings, $vtiger_current_version, $coreBOS_app_version;

@include_once 'install/config.db.php';
global $dbconfig, $vtconfig;
if (empty($_REQUEST['file']) && is_array($vtconfig) && $vtconfig['quickbuild'] == 'true') {
	$the_file = 'BuildInstallation.php';
} elseif (!empty($_REQUEST['file'])) {
	$the_file = $_REQUEST['file'];
} else {
	$the_file = 'welcome.php';
}

Common_Install_Wizard_Utils::checkFileAccessForInclusion('install/'.$the_file);
include 'install/'.$the_file;
?>