<?php /** * @package akeebabackup * @copyright Copyright (c)2006-2021 Nicholas K. Dionysopoulos / Akeeba Ltd * @license GNU General Public License version 3, or later */ (defined('_JEXEC') || defined('WPINC') || defined('APATH_BASE') || defined('AKEEBA_COMMON_WRONGPHP') || defined('KICKSTART')) or die; if (!function_exists('akeeba_common_phpversion_warning')) { /** * The function checks if you are using an obsolete PHP version and outputs a warning if you do. * * Configuration array: * * * minPHPVersion: minimum PHP version supported by this software, e.g. "7.2.0" * * recommendedPHPVersion: recommended PHP version to use with this software, e.g. "7.3" * * softwareName: human-readable software name, e.g. "Akeeba Example" * * class_priority_low: CSS class for low priority notices * * class_priority_medium: CSS class for medium priority warnings * * class_priority_high: CSS class for high priority errors * * warn_about_maintenance: should I warn about PHP versions which have entered maintenance mode? Def: TRUE. * * eol_period_too_old: how long after EOL is the PHP version considered dangerous, as DateInterval text, e.g. P3M * * longVersion: current PHP version, long format, e.g. "7.3.1-12ubuntu3.2". Skip to automatically determine. * * shortVersion: current PHP version, short format, e.g. "7.3". Skip to automatically determine. * * currentTimestamp: current UNIX timestamp. Skip to automatically determine. * * You need to provide at the very least the minPHPVersion, recommendedPHPVersion and softwareName. The default CSS * classes are compatible with Akeeba FEF. PHP versions in maintenance will be warned about and the period after * which an EOL version of PHP is dangerous is considered to be 3 months. * * @param array $config See above * * @throws Exception */ function akeeba_common_phpversion_warning($config = array()) { /** * Format: version => [maintenance_date, eol_date] * * For versions older than 5.6 we use a fake maintenance_date because this information no longer exists on PHP's * site and it's irrelevant anyway; these PHP versions are already EOL therefore we only use their EOL date. */ $phpDates = array( '3.0' => array('1990-01-01 00:00:00', '2000-10-20 00:00:00'), '4.0' => array('1990-01-01 00:00:00', '2001-06-23 00:00:00'), '4.1' => array('1990-01-01 00:00:00', '2002-03-12 00:00:00'), '4.2' => array('1990-01-01 00:00:00', '2002-09-06 00:00:00'), '4.3' => array('1990-01-01 00:00:00', '2005-03-31 00:00:00'), '4.4' => array('1990-01-01 00:00:00', '2008-08-07 00:00:00'), '5.0' => array('1990-01-01 00:00:00', '2005-09-05 00:00:00'), '5.1' => array('1990-01-01 00:00:00', '2006-08-24 00:00:00'), '5.2' => array('1990-01-01 00:00:00', '2011-01-11 00:00:00'), '5.3' => array('1990-01-01 00:00:00', '2014-08-14 00:00:00'), '5.4' => array('1990-01-01 00:00:00', '2015-09-03 00:00:00'), '5.5' => array('1990-01-01 00:00:00', '2016-07-10 00:00:00'), '5.6' => array('2017-01-10 00:00:00', '2018-12-31 00:00:00'), '7.0' => array('2018-01-01 00:00:00', '2019-01-10 00:00:00'), '7.1' => array('2018-12-01 00:00:00', '2019-12-01 00:00:00'), '7.2' => array('2019-11-30 00:00:00', '2020-11-30 00:00:00'), '7.3' => array('2020-12-06 00:00:00', '2021-12-06 00:00:00'), '7.4' => array('2021-11-28 00:00:00', '2022-11-28 00:00:00'), '8.0' => array('2022-11-26 00:00:00', '2023-11-26 00:00:00'), ); // Make sure I have all necessary configuration variables $config = array_merge(array( 'minPHPVersion' => '7.2.0', 'recommendedPHPVersion' => '7.4', 'softwareName' => 'This software', 'class_priority_low' => 'akeeba-block--info', 'class_priority_medium' => 'akeeba-block--warning', 'class_priority_high' => 'akeeba-block--failure', 'warn_about_maintenance' => true, 'eol_period_too_old' => 'P3M', 'longVersion' => PHP_VERSION, 'shortVersion' => sprintf('%d.%d', PHP_MAJOR_VERSION, PHP_MINOR_VERSION), 'currentTimestamp' => time(), ), $config); // Selectively extract configuration variables. Do not use extract(), it's potentially dangerous. $minPHPVersion = $config['minPHPVersion']; $recommendedPHPVersion = $config['recommendedPHPVersion']; $softwareName = $config['softwareName']; $class_priority_low = $config['class_priority_low']; $class_priority_medium = $config['class_priority_medium']; $class_priority_high = $config['class_priority_high']; $warn_about_maintenance = $config['warn_about_maintenance']; $eol_period_too_old = $config['eol_period_too_old']; $longVersion = $config['longVersion']; $shortVersion = $config['shortVersion']; $currentTimestamp = $config['currentTimestamp']; $phpVersions = array_keys($phpDates); $lastVersion = array_pop($phpVersions); /** * Safe defaults for PHP versions older than 5.3.0. * * Older PHP versions don't even have support for DateTime so we need these defaults to prevent this warning script from * bringing the site down with an error. */ $isEol = true; $isAncient = true; $isSecurity = false; $isCurrent = false; $isTooNew = !isset($phpDates[$shortVersion]) && version_compare($shortVersion, $lastVersion, 'gt'); $eolDateFormatted = isset($phpDates[$shortVersion]) ? $phpDates[$shortVersion][1] : ''; $securityDateFormatted = isset($phpDates[$shortVersion]) ? $phpDates[$shortVersion][0] : ''; /** * This can only work on PHP 5.3.0 or later since we are using DatePeriod (PHP >= 5.3.0) */ if (version_compare($longVersion, '5.2.0', 'ge') && !$isTooNew) { $tzGmt = new DateTimeZone('GMT'); $securityDate = new DateTime($phpDates[$shortVersion][0], $tzGmt); $eolDate = new DateTime($phpDates[$shortVersion][1], $tzGmt); $ancientPeriod = new DateInterval($eol_period_too_old); $ancientDate = clone $eolDate; $ancientDate->add($ancientPeriod); /** * Ancient: This PHP version has reached end-of-life more than $eol_period_too_old ago * EOL: This PHP version has reached end-of-life * Security: This PHP version has reached the Security Support date but not the EOL date yet * Current: This PHP version is still in Active Support */ $isEol = $eolDate->getTimestamp() <= $currentTimestamp; $isAncient = $ancientDate->getTimestamp() <= $currentTimestamp; $isSecurity = !$isEol && ($securityDate->getTimestamp() <= $currentTimestamp); $isCurrent = !$isEol && !$isSecurity; $eolDateFormatted = $eolDate->format('l, d F Y'); $securityDateFormatted = $securityDate->format('l, d F Y'); } if ($isCurrent) { return; } if ($isTooNew): ?> <!-- Your PHP version is too new --> <div class="<?php echo $class_priority_medium ?>"> <h3>PHP version <?php echo $shortVersion ?> is newer than this software supports</h3> <p> Your site is currently using PHP <?php echo $longVersion ?>. This version of PHP not supported by your currently installed version of <?php echo $softwareName ?>. We cannot guarantee that <?php echo $softwareName ?> will work correctly on your site. </p> <p> Please check our site for an updated version of <?php echo $softwareName ?> which supports PHP <?php echo $shortVersion ?>. If none is available yet you will need to wait 1-3 months. Meanwhile, you can still use PHP <?php echo $recommendedPHPVersion ?> which is fully supported by <?php echo $softwareName ?>. You can ask your host or your system administrator for instructions. </p> </div> <?php elseif ($isAncient): ?> <!-- Your PHP version has been End-of-Life for a very long time --> <div class="<?php echo $class_priority_high ?>"> <h3>Severely outdated PHP version <?php echo $shortVersion ?></h3> <p> Your site is currently using PHP <?php echo $longVersion ?>. This version of PHP has become <a href="https://php.net/eol.php" target="_blank">End-of-Life since <?php echo $eolDateFormatted ?></a>. It has not received security updates for a <em>very long time</em>. You MUST NOT use it for a live site! </p> <p> <?php echo $softwareName ?> will stop supporting your version of PHP very soon. You must <strong>very urgently</strong> upgrade to a newer version of PHP. We recommend PHP <?php echo $recommendedPHPVersion ?> or later. You can ask your host or your system administrator for instructions. It's easy and it will make your site faster and more secure. </p> </div> <?php elseif ($isEol): ?> <!-- Your PHP version has recently been marked End-of-Life --> <div class="<?php echo $class_priority_medium ?>"> <h3>Outdated PHP version <?php echo $shortVersion ?></h3> <p> Your site is currently using PHP <?php echo $longVersion ?>. This version of PHP has recently become <a href="https://php.net/eol.php" target="_blank">End-of-Life since <?php echo $eolDateFormatted ?></a>. It has stopped receiving security updates. You should not use it for a live site. </p> <p> <?php echo $softwareName ?> will stop supporting your version of PHP in the near future. You should upgrade to a newer version of PHP at your earliest convenience. We recommend PHP <?php echo $recommendedPHPVersion ?> or later. You can ask your host or your system administrator for instructions. It's easy and it will make your site faster and more secure. </p> </div> <?php elseif ($warn_about_maintenance): ?> <!-- Your PHP version has entered “Security Support” and will become EOL rather soon --> <div class="<?php echo $class_priority_low ?>"> <h3>Older PHP version <?php echo $shortVersion ?></h3> <p> Your site is currently using PHP <?php echo $longVersion ?>. This version of PHP has entered its “Security maintenance” phase since <?php echo $securityDateFormatted ?> and has stopped receiving bug fixes. It will stop receiving security updates on <?php echo $eolDateFormatted ?> at which point it will be unsuitable for use on a live site. </p> <p> <?php echo $softwareName ?> will stop supporting your version of PHP soon after it becomes End-of-Life on <?php echo $eolDateFormatted ?>. We recommend that you plan your migration to a newer version of PHP before that date. We recommend PHP <?php echo $recommendedPHPVersion ?> or later. You can ask your host or your system administrator for instructions. It's easy and it will make your site faster and more secure. </p> </div> <?php endif; } } /** * Immediately executes the akeeba_common_phpversion_warning() function on all of our software except Kickstart. */ if (!defined('KICKSTART')) { try { akeeba_common_phpversion_warning(array( // Configuration -- Override before calling this script 'minPHPVersion' => isset($minPHPVersion) ? $minPHPVersion : '7.2.0', 'recommendedPHPVersion' => isset($recommendedPHPVersion) ? $recommendedPHPVersion : '7.3', 'softwareName' => isset($softwareName) ? $softwareName : 'This software', 'class_priority_low' => isset($class_priority_low) ? $class_priority_low : 'akeeba-block--info', 'class_priority_medium' => isset($class_priority_medium) ? $class_priority_medium : 'akeeba-block--warning', 'class_priority_high' => isset($class_priority_high) ? $class_priority_high : 'akeeba-block--failure', 'warn_about_maintenance' => isset($warn_about_maintenance) ? ((bool) $warn_about_maintenance) : true, 'eol_period_too_old' => isset($eol_period_too_old) ? $eol_period_too_old : 'P3M', // Override these to test the script 'longVersion' => isset($longVersion) ? $longVersion : PHP_VERSION, 'shortVersion' => isset($shortVersion) ? $shortVersion : sprintf('%d.%d', PHP_MAJOR_VERSION, PHP_MINOR_VERSION), 'currentTimestamp' => isset($currentTimestamp) ? $currentTimestamp : time(), )); } catch (Exception $e) { // This should never happen return; } }