<?php
/* Copyright (C) 2004-2005  Rodolphe Quiedeville    <rodolphe@quiedeville.org>
 * Copyright (C) 2004-2015  Laurent Destailleur     <eldy@users.sourceforge.net>
 * Copyright (C) 2005       Marc Barilley / Ocebo   <marc@ocebo.com>
 * Copyright (C) 2005-2012  Regis Houssin           <regis.houssin@inodbox.com>
 * Copyright (C) 2013-2014  Juanjo Menent           <jmenent@2byte.es>
 * Copyright (C) 2014       Marcos García           <marcosgdf@gmail.com>
 * Copyright (C) 2015-2016  Raphaël Doursenaud      <rdoursenaud@gpcsolutions.fr>
 * Copyright (C) 2024		MDW						<mdeweerd@users.noreply.github.com>
 * Copyright (C) 2024-2025  Frédéric France         <frederic.france@free.fr>
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
 */

/**
 *	\file       htdocs/install/check.php
 *	\ingroup    install
 *	\brief      Test if file conf can be modified and if does not exists, test if install process can create it
 */

define('ALLOWED_IF_UPGRADE_UNLOCK_FOUND', 1);
include_once 'inc.php';
/**
 * @var Conf $conf already created in inc.php
 * @var Translate $langs
 *
 * @var string $dolibarr_main_db_host
 * @var string $dolibarr_main_db_port
 * @var string $dolibarr_main_db_name
 * @var string $dolibarr_main_db_user
 * @var string $dolibarr_main_db_pass
 * @var string $dolibarr_main_db_encrypted_pass
 * @var string $conffile
 * @var string $conffiletoshow
 */

$err = 0;
$allowinstall = 0;
$allowupgrade = false;
$checksok = 1;

$setuplang = GETPOST("selectlang", 'aZ09', 3) ? GETPOST("selectlang", 'aZ09', 3) : $langs->getDefaultLang();
$langs->setDefaultLang($setuplang);

$langs->load("install");

// Now we load forced/pre-set values from install.forced.php file.
$useforcedwizard = false;
$forcedfile = "./install.forced.php";
if ($conffile == "/etc/dolibarr/conf.php") {
	$forcedfile = "/etc/dolibarr/install.forced.php";
}
if (@file_exists($forcedfile)) {
	$useforcedwizard = true;
	include_once $forcedfile;
}

dolibarr_install_syslog("- check: Nube install/upgrade process started");


/*
 *	View
 */

pHeader('', ''); // No next step for navigation buttons. Next step is defined by click on links.


//print "<br>\n";
//print $langs->trans("InstallEasy")."<br><br>\n";

print '<h3><img class="valignmiddle inline-block paddingright" src="../theme/common/octicons/build/svg/gear.svg" width="20" alt="Database"> ';
print '<span class="inline-block">'.$langs->trans("MiscellaneousChecks")."</span></h3>\n";

// Check browser
$useragent = $_SERVER['HTTP_USER_AGENT'];
if (!empty($useragent)) {
	$tmp = getBrowserInfo($_SERVER["HTTP_USER_AGENT"]);
	$browserversion = $tmp['browserversion'];
	$browsername = $tmp['browsername'];
	if ($browsername == 'ie' && $browserversion < 7) {
		print '<img src="../theme/eldy/img/warning.png" alt="Error" class="valignmiddle"> '.$langs->trans("WarningBrowserTooOld")."<br>\n";
	}
}


// Check PHP version min
$arrayphpminversionerror = array(7, 0, 0);
$arrayphpminversionwarning = array(7, 1, 0);
if (versioncompare(versionphparray(), $arrayphpminversionerror) < 0) {        // Minimum to use (error if lower)
	print '<img src="../theme/eldy/img/error.png" alt="Error" class="valignmiddle"> '.$langs->trans("ErrorPHPVersionTooLow", versiontostring($arrayphpminversionerror));
	$checksok = 0; // 0=error, 1=warning
} elseif (versioncompare(versionphparray(), $arrayphpminversionwarning) < 0) {    // Minimum supported (warning if lower)
	print '<img src="../theme/eldy/img/warning.png" alt="Error" class="valignmiddle"> '.$langs->trans("ErrorPHPVersionTooLow", versiontostring($arrayphpminversionwarning));
	$checksok = 1; // 0=error, 1=warning
} else {
	print '<img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> '.$langs->trans("PHPVersion")." ".versiontostring(versionphparray());
}
if (empty($force_install_nophpinfo)) {
	print ' (<a href="phpinfo.php" target="_blank" rel="noopener noreferrer">'.$langs->trans("MoreInformation").'</a>)';
}
print "<br>\n";

// Check PHP version max
$arrayphpmaxversionwarning = array(8, 3, 0);
if (versioncompare(versionphparray(), $arrayphpmaxversionwarning) > 0 && versioncompare(versionphparray(), $arrayphpmaxversionwarning) < 3) {        // Maximum to use (warning if higher)
	print '<img src="../theme/eldy/img/error.png" alt="Error" class="valignmiddle"> '.$langs->trans("ErrorPHPVersionTooHigh", versiontostring($arrayphpmaxversionwarning));
	$checksok = 1; // 0=error, 1=warning
	print "<br>\n";
}


// Check PHP support for $_GET and $_POST
if (!isset($_GET["testget"]) && !isset($_POST["testpost"])) {	// We must keep $_GET and $_POST here
	print '<img src="../theme/eldy/img/warning.png" alt="Warning" class="valignmiddle"> '.$langs->trans("PHPSupportPOSTGETKo");
	print ' (<a href="'.dol_escape_htmltag($_SERVER["PHP_SELF"]).'?testget=ok">'.$langs->trans("Recheck").'</a>)';
	print "<br>\n";
	$checksok = 0;
} else {
	print '<img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> '.$langs->trans("PHPSupportPOSTGETOk")."<br>\n";
}


// Check if session_id is enabled
if (!function_exists("session_id")) {
	print '<img src="../theme/eldy/img/error.png" alt="Error" class="valignmiddle"> '.$langs->trans("ErrorPHPDoesNotSupportSessions")."<br>\n";
	$checksok = 0;
} else {
	print '<img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> '.$langs->trans("PHPSupportSessions")."<br>\n";
}


// Check for mbstring extension
if (!extension_loaded("mbstring")) {
	$langs->load("errors");
	print '<img src="../theme/eldy/img/warning.png" alt="Error" class="valignmiddle"> '.$langs->trans("ErrorPHPDoesNotSupport", "MBString")."<br>\n";
	// $checksok = 0; // If ko, just warning. So check must still be 1 (otherwise no way to install)
} else {
	print '<img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> '.$langs->trans("PHPSupport", "MBString")."<br>\n";
}

// Check for json extension
if (!extension_loaded("json")) {
	$langs->load("errors");
	print '<img src="../theme/eldy/img/warning.png" alt="Error" class="valignmiddle"> '.$langs->trans("ErrorPHPDoesNotSupport", "JSON")."<br>\n";
	// $checksok = 0; // If ko, just warning. So check must still be 1 (otherwise no way to install)
} else {
	print '<img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> '.$langs->trans("PHPSupport", "JSON")."<br>\n";
}

// Check if GD is supported (we need GD for image conversion)
if (!function_exists("imagecreate")) {
	$langs->load("errors");
	print '<img src="../theme/eldy/img/warning.png" alt="Error" class="valignmiddle"> '.$langs->trans("ErrorPHPDoesNotSupport", "GD")."<br>\n";
	// $checksok = 0;       // If ko, just warning. So check must still be 1 (otherwise no way to install)
} else {
	print '<img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> '.$langs->trans("PHPSupport", "GD")."<br>\n";
}

// Check if Curl is supported
if (!function_exists("curl_init")) {
	$langs->load("errors");
	print '<img src="../theme/eldy/img/warning.png" alt="Error" class="valignmiddle"> '.$langs->trans("ErrorPHPDoesNotSupport", "Curl")."<br>\n";
	// $checksok = 0;       // If ko, just warning. So check must still be 1 (otherwise no way to install)
} else {
	print '<img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> '.$langs->trans("PHPSupport", "Curl")."<br>\n";
}

// Check if PHP calendar extension is available
if (!function_exists("easter_date")) {
	print '<img src="../theme/eldy/img/warning.png" alt="Error" class="valignmiddle"> '.$langs->trans("ErrorPHPDoesNotSupport", "Calendar")."<br>\n";
} else {
	print '<img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> '.$langs->trans("PHPSupport", "Calendar")."<br>\n";
}

// Check if Xml is supported
if (!function_exists("simplexml_load_string")) {
	$langs->load("errors");
	print '<img src="../theme/eldy/img/warning.png" alt="Error" class="valignmiddle"> '.$langs->trans("ErrorPHPDoesNotSupport", "Xml")."<br>\n";
	// $checksok = 0;       // If ko, just warning. So check must still be 1 (otherwise no way to install)
} else {
	print '<img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> '.$langs->trans("PHPSupport", "Xml")."<br>\n";
}

// Check if UTF8 is supported
if (!function_exists("utf8_encode")) {
	$langs->load("errors");
	print '<img src="../theme/eldy/img/warning.png" alt="Error" class="valignmiddle"> '.$langs->trans("ErrorPHPDoesNotSupport", "UTF8")."<br>\n";
	// $checksok = 0; // If ko, just warning. So check must still be 1 (otherwise no way to install)
} else {
	print '<img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> '.$langs->trans("PHPSupport", "UTF8")."<br>\n";
}

// Check if intl methods are supported if install is not from DoliWamp. TODO Why ?
if (empty($_SERVER["SERVER_ADMIN"]) || $_SERVER["SERVER_ADMIN"] != 'doliwamp@localhost') {
	if (!function_exists("locale_get_primary_language") || !function_exists("locale_get_region")) {
		$langs->load("errors");
		print '<img src="../theme/eldy/img/warning.png" alt="Error" class="valignmiddle"> '.$langs->trans("ErrorPHPDoesNotSupport", "Intl")."<br>\n";
		// $checksok = 0;		// If ko, just warning. So check must still be 1 (otherwise no way to install)
	} else {
		print '<img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> '.$langs->trans("PHPSupport", "Intl")."<br>\n";
	}
}

// Check if Imap is supported
if (PHP_VERSION_ID <= 80300) {
	if (!function_exists("imap_open")) {
		$langs->load("errors");
		print '<img src="../theme/eldy/img/warning.png" alt="Error" class="valignmiddle"> '.$langs->trans("ErrorPHPDoesNotSupport", "IMAP")."<br>\n";
		// $checksok = 0;       // If ko, just warning. So check must still be 1 (otherwise no way to install)
	} else {
		print '<img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> '.$langs->trans("PHPSupport", "IMAP")."<br>\n";
	}
}

// Check if Zip is supported
if (!class_exists('ZipArchive')) {
	$langs->load("errors");
	print '<img src="../theme/eldy/img/warning.png" alt="Error" class="valignmiddle"> '.$langs->trans("ErrorPHPDoesNotSupport", "ZIP")."<br>\n";
	// $checksok = 0;       // If ko, just warning. So check must still be 1 (otherwise no way to install)
} else {
	print '<img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> '.$langs->trans("PHPSupport", "ZIP")."<br>\n";
}

// Check memory
$memrequiredorig = '64M';
$memrequired = 64 * 1024 * 1024;
$memmaxorig = @ini_get("memory_limit");
$memmax = @ini_get("memory_limit");
if ($memmaxorig != '') {
	preg_match('/([0-9]+)([a-zA-Z]*)/i', $memmax, $reg);
	if ($reg[2]) {
		if (strtoupper($reg[2]) == 'G') {
			$memmax = (int) $reg[1] * 1024 * 1024 * 1024;
		}
		if (strtoupper($reg[2]) == 'M') {
			$memmax = (int) $reg[1] * 1024 * 1024;
		}
		if (strtoupper($reg[2]) == 'K') {
			$memmax = (int) $reg[1] * 1024;
		}
	}
	if ($memmax >= $memrequired || $memmax == -1) {
		print '<img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> '.$langs->trans("PHPMemoryOK", $memmaxorig, $memrequiredorig)."<br>\n";
	} else {
		print '<img src="../theme/eldy/img/warning.png" alt="Warning" class="valignmiddle"> '.$langs->trans("PHPMemoryTooLow", $memmaxorig, $memrequiredorig)."<br>\n";
	}
}


// If that config file is present and filled
clearstatcache();
if (is_readable($conffile) && filesize($conffile) > 8) {
	dolibarr_install_syslog("check: conf file '".$conffile."' already defined");
	$confexists = 1;
	include_once $conffile;

	$databaseok = 1;
	if ($databaseok) {
		// Already installed for all parts (config and database). We can propose upgrade.
		$allowupgrade = true;
	} else {
		$allowupgrade = false;
	}
} else {
	// If not, we create it
	dolibarr_install_syslog("check: we try to create conf file '".$conffile."'");
	$confexists = 0;

	// First we try by copying example
	if (@copy($conffile.".example", $conffile)) {
		// Success
		dolibarr_install_syslog("check: successfully copied file ".$conffile.".example into ".$conffile);
	} else {
		// If failed, we try to create an empty file
		dolibarr_install_syslog("check: failed to copy file ".$conffile.".example into ".$conffile.". We try to create it.", LOG_WARNING);

		$fp = @fopen($conffile, "w");
		if ($fp) {
			@fwrite($fp, '<?php');
			@fwrite($fp, "\n");
			fclose($fp);
		} else {
			dolibarr_install_syslog("check: failed to create a new file ".$conffile." into current dir ".getcwd().". Please check permissions.", LOG_ERR);
		}
	}

	// First install: no upgrade necessary/required
	$allowupgrade = false;
}



// File is missing and cannot be created
if (!file_exists($conffile)) {
	print '<img src="../theme/eldy/img/error.png" alt="Error" class="valignmiddle"> '.$langs->trans("ConfFileDoesNotExistsAndCouldNotBeCreated", $conffiletoshow);
	print '<br><br><div class="error">';
	print $langs->trans("YouMustCreateWithPermission", $conffiletoshow);
	print '</div><br><br>'."\n";

	print '<span class="opacitymedium">'.$langs->trans("CorrectProblemAndReloadPage", $_SERVER['PHP_SELF'].'?testget=ok').'</span>';
	$err++;
} else {
	if (dol_is_dir($conffile)) {
		print '<img src="../theme/eldy/img/error.png" alt="Warning"> '.$langs->trans("ConfFileMustBeAFileNotADir", $conffiletoshow);

		$allowinstall = 0;
	} elseif (!is_writable($conffile)) {
		// File exists but cannot be modified
		if ($confexists) {
			print '<img src="../theme/eldy/img/tick.png" alt="Ok"> '.$langs->trans("ConfFileExists", $conffiletoshow);
		} else {
			print '<img src="../theme/eldy/img/tick.png" alt="Ok"> '.$langs->trans("ConfFileCouldBeCreated", $conffiletoshow);
		}
		print "<br>";
		print '<img src="../theme/eldy/img/tick.png" alt="Warning"> '.$langs->trans("ConfFileIsNotWritable", $conffiletoshow);
		print "<br>\n";

		$allowinstall = 0;
	} else {
		// File exists and can be modified
		if ($confexists) {
			print '<img src="../theme/eldy/img/tick.png" alt="Ok"> '.$langs->trans("ConfFileExists", $conffiletoshow);
		} else {
			print '<img src="../theme/eldy/img/tick.png" alt="Ok"> '.$langs->trans("ConfFileCouldBeCreated", $conffiletoshow);
		}
		print "<br>";
		print '<img src="../theme/eldy/img/tick.png" alt="Ok"> '.$langs->trans("ConfFileIsWritable", $conffiletoshow);
		print "<br>\n";

		$allowinstall = 1;
	}
	print "<br>\n";

	// Requirements met/all ok: display the next step button
	if ($checksok) {
		$ok = 0;

		// Try to create db connection
		if (file_exists($conffile)) {
			include_once $conffile;
			if (!empty($dolibarr_main_db_type) && !empty($dolibarr_main_document_root)) {
				if (!file_exists($dolibarr_main_document_root."/core/lib/admin.lib.php")) {
					print '<span class="error">A '.$conffiletoshow.' file exists with a dolibarr_main_document_root to '.$dolibarr_main_document_root.' that seems wrong. Try to fix or remove the '.$conffiletoshow.' file.</span><br>'."\n";
					dol_syslog("A '".$conffiletoshow."' file exists with a dolibarr_main_document_root to ".$dolibarr_main_document_root." that seems wrong. Try to fix or remove the '".$conffiletoshow."' file.", LOG_WARNING);
				} else {
					require_once $dolibarr_main_document_root.'/core/lib/admin.lib.php';

					// If password is encoded, we decode it
					if (preg_match('/crypted:/i', $dolibarr_main_db_pass) || !empty($dolibarr_main_db_encrypted_pass)) {
						require_once $dolibarr_main_document_root.'/core/lib/security.lib.php';
						if (preg_match('/crypted:/i', $dolibarr_main_db_pass)) {
							$dolibarr_main_db_encrypted_pass = preg_replace('/crypted:/i', '', $dolibarr_main_db_pass); // We need to set this as it is used to know the password was initially encrypted
							$dolibarr_main_db_pass = dol_decode($dolibarr_main_db_encrypted_pass);
						} else {
							$dolibarr_main_db_pass = dol_decode($dolibarr_main_db_encrypted_pass);
						}
					}

					// $conf already created in inc.php
					$conf->db->type = $dolibarr_main_db_type;
					$conf->db->host = $dolibarr_main_db_host;
					$conf->db->port = $dolibarr_main_db_port;
					$conf->db->name = $dolibarr_main_db_name;
					$conf->db->user = $dolibarr_main_db_user;
					$conf->db->pass = $dolibarr_main_db_pass;
					$db = getDoliDBInstance($conf->db->type, $conf->db->host, $conf->db->user, $conf->db->pass, $conf->db->name, (int) $conf->db->port);
					if ($db->connected && $db->database_selected) {
						$ok = true;
					}
				}
			}
		}

		// If database access is available, we set more variables
		if ($ok) {
			if (empty($dolibarr_main_db_encryption)) {
				$dolibarr_main_db_encryption = 0;
			}
			$conf->db->dolibarr_main_db_encryption = $dolibarr_main_db_encryption;
			if (empty($dolibarr_main_db_cryptkey)) {
				$dolibarr_main_db_cryptkey = '';
			}
			$conf->db->dolibarr_main_db_cryptkey = $dolibarr_main_db_cryptkey;

			$conf->setValues($db);
			// Reset forced setup after the setValues
			if (defined('SYSLOG_FILE')) {
				$conf->global->SYSLOG_FILE = constant('SYSLOG_FILE');
			}
			$conf->global->MAIN_ENABLE_LOG_TO_HTML = 1;

			// Current version is $conf->global->MAIN_VERSION_LAST_UPGRADE
			// Version to install is DOL_VERSION
			$dolibarrlastupgradeversionarray = preg_split('/[\.-]/', isset($conf->global->MAIN_VERSION_LAST_UPGRADE) ? $conf->global->MAIN_VERSION_LAST_UPGRADE : (isset($conf->global->MAIN_VERSION_LAST_INSTALL) ? $conf->global->MAIN_VERSION_LAST_INSTALL : ''));
			$dolibarrversiontoinstallarray = versiondolibarrarray();
		}

		// Show title
		if (getDolGlobalString('MAIN_VERSION_LAST_UPGRADE') || getDolGlobalString('MAIN_VERSION_LAST_INSTALL')) {
			print $langs->trans("VersionLastUpgrade").': <b><span class="ok">'.(!getDolGlobalString('MAIN_VERSION_LAST_UPGRADE') ? $conf->global->MAIN_VERSION_LAST_INSTALL : $conf->global->MAIN_VERSION_LAST_UPGRADE).'</span></b> - ';
			print $langs->trans("VersionProgram").': <b><span class="ok">'.DOL_VERSION.'</span></b>';
			//print ' '.img_warning($langs->trans("RunningUpdateProcessMayBeRequired"));
			print '<br>';
			print '<br>';
		} else {
			print "<br>\n";
		}

		//print $langs->trans("InstallEasy")." ";
		print '<h3><span class="soustitre">'.$langs->trans("ChooseYourSetupMode").'</span></h3>';

		$foundrecommandedchoice = 0;

		$available_choices = array();
		$notavailable_choices = array();

		if (empty($dolibarr_main_db_host)) {	// This means install process was not run
			$foundrecommandedchoice = 1; // To show only once
		}

		// Show line of first install choice
		$choice  = '<tr class="trlineforchoice'.($foundrecommandedchoice ? ' choiceselected' : '').'">'."\n";
		$choice .= '<td class="nowrap center"><b>'.$langs->trans("FreshInstall").'</b>';
		$choice .= '</td>';
		$choice .= '<td class="listofchoicesdesc">';
		$choice .= $langs->trans("FreshInstallDesc");
		if (empty($dolibarr_main_db_host)) {	// This means install process was not run
			$choice .= '<br>';
			//print $langs->trans("InstallChoiceRecommanded",DOL_VERSION,$conf->global->MAIN_VERSION_LAST_UPGRADE);
			$choice .= '<div class="center"><div class="ok suggestedchoice">'.$langs->trans("InstallChoiceSuggested").'</div></div>';
			// <img src="../theme/eldy/img/tick.png" alt="Ok" class="valignmiddle"> ';
		}

		$choice .= '</td>';
		$choice .= '<td class="center">';
		if ($allowinstall) {
			$choice .= '<a class="button" href="fileconf.php?selectlang='.$setuplang.'">'.$langs->trans("Start").'</a>';
		} else {
			$choice .= ($foundrecommandedchoice ? '<span class="warning">' : '').$langs->trans("InstallNotAllowed").($foundrecommandedchoice ? '</span>' : '');
		}
		$choice .= '</td>'."\n";
		$choice .= '</tr>'."\n";

		$positionkey = ($foundrecommandedchoice ? 999 : 0);
		if ($allowinstall) {
			$available_choices[$positionkey] = $choice;
		} else {
			$notavailable_choices[$positionkey] = $choice;
		}

		// Show upgrade lines
		$allowupgrade = true;
		if (empty($dolibarr_main_db_host)) {	// This means install process was not run
			$allowupgrade = false;
		}
		if (getDolGlobalInt("MAIN_NOT_INSTALLED")) {
			$allowupgrade = false;
		}
		if (GETPOST('allowupgrade')) {
			$allowupgrade = true;
		}

		$dir = DOL_DOCUMENT_ROOT."/install/mysql/migration/";	// We use mysql migration scripts whatever is database driver
		dolibarr_install_syslog("Scan sql files for migration files in ".$dir);

		// Get files list of migration file x.y.z-a.b.c.sql into /install/mysql/migration
		$migrationscript = array();
		$handle = opendir($dir);
		if (is_resource($handle)) {
			$versiontousetoqualifyscript = preg_replace('/-.*/', '', DOL_VERSION);
			while (($file = readdir($handle)) !== false) {
				$reg = array();
				if (preg_match('/^(\d+\.\d+\.\d+)-(\d+\.\d+\.\d+)\.sql$/i', $file, $reg)) {
					//var_dump(DOL_VERSION." ".$reg[2]." ".$versiontousetoqualifyscript." ".version_compare($versiontousetoqualifyscript, $reg[2]));
					if (!empty($reg[2]) && version_compare($versiontousetoqualifyscript, $reg[2]) >= 0) {
						$migrationscript[] = array('from' => $reg[1], 'to' => $reg[2]);
					}
				}
			}
			$migrationscript = dol_sort_array($migrationscript, 'from', 'asc', 1);
		} else {
			print '<div class="error">'.$langs->trans("ErrorCanNotReadDir", $dir).'</div>';
		}

		$count = 0;
		foreach ($migrationscript as $migarray) {
			$choice = '';

			$count++;
			$recommended_choice = false;
			$version = DOL_VERSION;
			$versionfrom = $migarray['from'];
			$versionto = $migarray['to'];
			$versionarray = preg_split('/[\.-]/', $version);
			$dolibarrversionfromarray = preg_split('/[\.-]/', $versionfrom);
			$dolibarrversiontoarray = preg_split('/[\.-]/', $versionto);
			// Define string newversionxxx that are used for text to show
			$newversionfrom = preg_replace('/(\.[0-9]+)$/i', '.*', $versionfrom);
			$newversionto = preg_replace('/(\.[0-9]+)$/i', '.*', $versionto);
			$newversionfrombis = '';
			if (versioncompare($dolibarrversiontoarray, $versionarray) < -2) {	// From x.y.z -> x.y.z+1
				$newversionfrombis = ' '.$langs->trans("or").' '.$versionto;
			}

			if ($ok) {
				if (count($dolibarrlastupgradeversionarray) >= 2) {	// If database access is available and last upgrade version is known
					// Now we check if this is the first qualified choice
					if ($allowupgrade && empty($foundrecommandedchoice) &&
						(versioncompare($dolibarrversiontoarray, $dolibarrlastupgradeversionarray) > 0 || versioncompare($dolibarrversiontoarray, $versionarray) < -2)
					) {
						$foundrecommandedchoice = 1; // To show only once
						$recommended_choice = true;
					}
				} else {
					// We cannot recommend a choice.
					// A version of install may be known, but we need last upgrade.
				}
			}

			$choice .= "\n".'<!-- choice '.$count.' -->'."\n";
			$choice .= '<tr'.($recommended_choice ? ' class="choiceselected"' : '').'>';
			$choice .= '<td class="nowrap center"><b>'.$langs->trans("Upgrade").'<br>'.$newversionfrom.$newversionfrombis.' -> '.$newversionto.'</b></td>';
			$choice .= '<td class="listofchoicesdesc">';
			$choice .= $langs->trans("UpgradeDesc");

			if ($recommended_choice) {
				$choice .= '<br>';
				//print $langs->trans("InstallChoiceRecommanded",DOL_VERSION,$conf->global->MAIN_VERSION_LAST_UPGRADE);
				$choice .= '<div class="center">';
				$choice .= '<div class="ok suggestedchoice">'.$langs->trans("InstallChoiceSuggested").'</div>';
				if ($count < count($migarray)) {	// There are other choices after
					print $langs->trans("MigrateIsDoneStepByStep", DOL_VERSION);
				}
				$choice .= '</div>';
			}

			$choice .= '</td>';
			$choice .= '<td class="center">';
			if ($allowupgrade) {
				$disabled = false;
				if ($foundrecommandedchoice == 2) {
					$disabled = true;
				}
				if ($foundrecommandedchoice == 1) {
					$foundrecommandedchoice = 2;
				}
				if ($disabled) {
					$choice .= '<span class="opacitymedium">'.$langs->trans("NotYetAvailable").'</span>';
				} else {
					$choice .= '<a class="button runupgrade" href="upgrade.php?action=upgrade'.($count < count($migrationscript) ? '_'.$versionto : '').'&amp;selectlang='.$setuplang.'&amp;versionfrom='.$versionfrom.'&amp;versionto='.$versionto.'">'.$langs->trans("Start").'</a>';
				}
			} else {
				$choice .= $langs->trans("NotAvailable");
			}
			$choice .= '</td>';
			$choice .= '</tr>'."\n";

			if ($allowupgrade) {
				$available_choices[$count] = $choice;
			} else {
				$notavailable_choices[$count] = $choice;
			}
		}

		// If there is no choice at all, we show all of them.
		if (empty($available_choices)) {
			$available_choices = $notavailable_choices;
			$notavailable_choices = array();
		}

		// Array of install choices
		krsort($available_choices, SORT_NATURAL);
		print"\n";
		print '<table width="100%" class="listofchoices">';
		foreach ($available_choices as $choice) {
			print $choice;
		}

		print '</table>'."\n";

		if (count($notavailable_choices)) {
			print '<br><div id="AShowChoices" style="opacity: 0.5">';
			print '> '.$langs->trans('ShowNotAvailableOptions').'...';
			print '</div>';

			print '<div id="navail_choices" style="display:none">';
			print "<br>\n";
			print '<table width="100%" class="listofchoices">';
			foreach ($notavailable_choices as $choice) {
				print $choice;
			}

			print '</table>'."\n";
			print '</div>';
		}
	}
}

print '<script type="text/javascript">

$("div#AShowChoices").click(function() {

    $("div#navail_choices").toggle();

    if ($("div#navail_choices").css("display") == "none") {
        $(this).text("> '.$langs->trans('ShowNotAvailableOptions').'...");
    } else {
        $(this).text("'.$langs->trans('HideNotAvailableOptions').'...");
    }

});

/*
$(".runupgrade").click(function() {
	return confirm("'.dol_escape_js($langs->transnoentitiesnoconv("WarningUpgrade"), 0, 1).'");
});
*/

</script>';

dolibarr_install_syslog("- check: end");
pFooter(1); // Never display next button
