testMinimumPhpVersion.php — Matomo Analytics – Powerful, Privacy-First Insights for WordPress 5.12.1

matomo / app / core / testMinimumPhpVersion.php

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testMinimumPhpVersion.php

160 lines

1	<?php
2
3	namespace {
4	/**
5	* Matomo - free/libre analytics platform
6	*
7	* @link https://matomo.org
8	* @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
9	*/
10	/**
11	* This file is executed before anything else.
12	* It checks the minimum PHP version required to run Matomo.
13	* This file must be compatible with PHP 5.3.
14	*/
15	$piwik_errorMessage = '';
16	// Minimum requirement: stream_resolve_include_path, working json_encode in 5.3.3, namespaces in 5.3
17	// NOTE: when changing this variable, we also need to update
18	// 1) api.matomo.org
19	// 2) composer.json (in two places)
20	// 3) tests/PHPUnit/Integration/ReleaseCheckListTest.php
21	global $piwik_minimumPHPVersion;
22	$piwik_minimumPHPVersion = '7.2.5';
23	$piwik_currentPHPVersion = \PHP_VERSION;
24	$minimumPhpInvalid = \version_compare($piwik_minimumPHPVersion, $piwik_currentPHPVersion) > 0;
25	if ($minimumPhpInvalid) {
26	$piwik_errorMessage .= "<p><strong>To run Matomo you need at least PHP version {$piwik_minimumPHPVersion}</strong></p>\n\t\t\t\t<p>Unfortunately it seems your webserver is using PHP version {$piwik_currentPHPVersion}. </p>\n\t\t\t\t<p>Please try to update your PHP version, Matomo is really worth it! Nowadays most web hosts\n\t\t\t\tsupport PHP {$piwik_minimumPHPVersion}.</p>";
27	} else {
28	if (!\extension_loaded('session')) {
29	$piwik_errorMessage .= "<p><strong>Matomo and Zend_Session require the session extension</strong></p>\n\t\t\t\t\t<p>It appears your PHP was compiled with <pre>--disable-session</pre>.\n\t\t\t\t\tTo enjoy Matomo, you need PHP compiled without that configure option.</p>";
30	}
31	if (!\function_exists('ini_set')) {
32	$piwik_errorMessage .= "<p><strong>Matomo and Zend_Session require the <code>ini_set()</code> function</strong></p>\n\t\t\t\t\t<p>It appears your PHP has disabled this function.\n\t\t\t\t\tTo enjoy Matomo, you need remove <pre>ini_set</pre> from your <pre>disable_functions</pre> directive in php.ini, and restart your webserver.</p>";
33	}
34	if (\ini_get('mbstring.func_overload')) {
35	$piwik_errorMessage .= "<p><strong>Matomo does not work when PHP is configured with <pre>mbstring.func_overload = " . \ini_get('mbstring.func_overload') . "</pre></strong></p>\n\t\t\t\t\t<p>It appears your mbstring extension in PHP is configured to override string functions.\n\t\t\t\t\tTo enjoy Matomo, you need to modify php.ini <pre>mbstring.func_overload = 0</pre>, and restart your webserver.</p>";
36	}
37	if (!\function_exists('json_encode')) {
38	$piwik_errorMessage .= "<p><strong>Matomo requires the php-json extension which provides the functions <code>json_encode()</code> and <code>json_decode()</code></strong></p>\n\t\t\t\t\t<p>It appears your PHP has not yet installed the php-json extension.\n\t\t\t\t\tTo use Matomo, please ask your web host to install php-json or install it yourself, for example on debian system: <code>sudo apt-get install php-json</code>. <br/>Then restart your webserver and refresh this page.</p>";
39	}
40	if (!\file_exists(\PIWIK_VENDOR_PATH . '/autoload.php')) {
41	$composerInstall = "In the matomo directory, run in the command line the following (eg. via ssh): \n\n" . "<pre> curl -sS https://getcomposer.org/installer \| php \n\n php composer.phar install\n\n</pre> ";
42	if (\DIRECTORY_SEPARATOR === '\\') {
43	$composerInstall = "Download and run <a href=\"https://getcomposer.org/Composer-Setup.exe\"><b>Composer-Setup.exe</b></a>, it will install the latest Composer version and set up your PATH so that you can just call composer from any directory in your command line. " . " <br>Then run this command in a terminal in the matomo directory: <br> \$ php composer.phar install ";
44	}
45	$piwik_errorMessage .= "<p>It appears the <a href='https://getcomposer.org/' rel='noreferrer noopener' target='_blank'>composer</a> tool is not yet installed. You can install Composer in a few easy steps:\n\n" . "<br/>" . $composerInstall . " This will initialize composer for Matomo and download libraries we use in vendor/* directory." . "\n\n<br/><br/>Then reload this page to access your analytics reports." . "\n\n<br/><br/>For more information check out this FAQ: <a href='https://matomo.org/faq/how-to-install/faq_18271/' rel='noreferrer noopener' target='_blank'>How do I use Matomo from the Git repository?</a>." . "\n\n<br/><br/>Note: if for some reasons you cannot install composer, instead install the latest Matomo release from " . "<a href='https://builds.matomo.org/piwik.zip' rel='noreferrer noopener'>builds.matomo.org</a>.</p>";
46	}
47	}
48	\define('PAGE_TITLE_WHEN_ERROR', 'Matomo &rsaquo; Error');
49	if (!\function_exists('Piwik_GetErrorMessagePage')) {
50	/**
51	* Returns true if Piwik should print the backtrace with error messages.
52	*
53	* To make sure the backtrace is printed, define PIWIK_PRINT_ERROR_BACKTRACE.
54	*
55	* @return bool
56	*/
57	function Piwik_ShouldPrintBackTraceWithMessage()
58	{
59	if (!\class_exists(\Piwik\ExceptionHandler::class)) {
60	return \false;
61	}
62	return \Piwik\ExceptionHandler::shouldPrintBackTraceWithMessage();
63	}
64	/**
65	* Displays info/warning/error message in a friendly UI and exits.
66	*
67	* Note: this method should not be called by anyone other than FrontController.
68	*
69	* @param string $message Main message, must be html encoded before calling
70	* @param bool\|string $optionalTrace Backtrace; will be displayed in lighter color
71	* @param bool $optionalLinks If true, will show links to the Piwik website for help
72	* @param bool $optionalLinkBack If true, displays a link to go back
73	* @param bool\|string $logoUrl The URL to the logo to use.
74	* @param bool\|string $faviconUrl The URL to the favicon to use.
75	* @param string $errorLogPrefix String to prepend to the error in log file
76	* @param bool $writeErrorLog If true then a webserver error log will be written, defaults to true
77	* @return string
78	*/
79	function Piwik_GetErrorMessagePage($message, $optionalTrace = \false, $optionalLinks = \false, $optionalLinkBack = \false, $logoUrl = \false, $faviconUrl = \false, $isCli = null, $errorLogPrefix = '', $writeErrorLog = \true, $redirectUrl = null, $countdown = null)
80	{
81	$hasCountdownRedirect = !empty($redirectUrl) && !empty($countdown);
82	if ($writeErrorLog) {
83	\error_log(\sprintf("{$errorLogPrefix}Error in Matomo: %s", \str_replace("\n", " ", \strip_tags($message))));
84	}
85	if (!\headers_sent()) {
86	\header('Content-Type: text/html; charset=utf-8');
87	\header('Cache-Control: private, no-cache, no-store');
88	$isInternalServerError = \preg_match('/(sql\|database\|mysql)/i', $message);
89	if ($isInternalServerError) {
90	\header('HTTP/1.1 500 Internal Server Error');
91	}
92	}
93	// We return only an HTML fragment for AJAX requests
94	if (isset($_SERVER['HTTP_X_REQUESTED_WITH']) && \strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest') {
95	return "<div class='alert alert-danger'><strong>Error:</strong> {$message}</div>";
96	}
97	if (empty($logoUrl)) {
98	$logoUrl = "plugins/Morpheus/images/logo.svg";
99	}
100	if (empty($faviconUrl)) {
101	$faviconUrl = "plugins/CoreHome/images/favicon.png";
102	}
103	if ($optionalTrace) {
104	$optionalTrace = '<h2>Stack trace</h2><pre>' . \htmlentities($optionalTrace, \ENT_COMPAT \| \ENT_HTML401, 'UTF-8') . '</pre>';
105	}
106	if ($isCli === null) {
107	$isCli = \PHP_SAPI == 'cli';
108	}
109	if ($optionalLinks) {
110	$adjustUrl = function ($url) {
111	if (\class_exists(\Piwik\Url::class)) {
112	return \Piwik\Url::addCampaignParametersToMatomoLink($url);
113	}
114	return $url;
115	};
116	$optionalLinks = '<ul>
117	<li><a rel="noreferrer noopener" target="_blank" href="' . $adjustUrl('https://matomo.org') . '">Matomo.org homepage</a></li>
118	<li><a rel="noreferrer noopener" target="_blank" href="' . $adjustUrl('https://matomo.org/faq/') . '">Frequently Asked Questions</a></li>
119	<li><a rel="noreferrer noopener" target="_blank" href="' . $adjustUrl('https://matomo.org/docs/') . '">User Guides</a></li>
120	<li><a rel="noreferrer noopener" target="_blank" href="' . $adjustUrl('https://forum.matomo.org/') . '">Matomo Forums</a></li>
121	<li><a rel="noreferrer noopener" target="_blank" href="' . $adjustUrl('https://matomo.org/support/') . '">Professional Support for Matomo</a></li>
122	</ul>';
123	}
124	if ($optionalLinkBack) {
125	$optionalLinkBack = '<a href="javascript:window.history.back();">Go Back</a>';
126	}
127	$headerPage = \file_get_contents(\PIWIK_INCLUDE_PATH . '/plugins/Morpheus/templates/simpleLayoutHeader.tpl');
128	$headerPage = \str_replace('%logoUrl%', $logoUrl, $headerPage);
129	$headerPage = \str_replace('%faviconUrl%', $faviconUrl, $headerPage);
130	$footerPage = \file_get_contents(\PIWIK_INCLUDE_PATH . '/plugins/Morpheus/templates/simpleLayoutFooter.tpl');
131	$headerPage = \str_replace('{$HTML_TITLE}', \PAGE_TITLE_WHEN_ERROR, $headerPage);
132	$backLinks = '<p>' . $optionalLinkBack . ' \| <a href="index.php">Go to Matomo</a>' . '</p>';
133	$redirectSection = '';
134	if ($hasCountdownRedirect) {
135	$redirectSection = '<p>
136	Please click below if you are not redirected in ' . $countdown . ' seconds</br></br>
137	Go to <a href="' . $redirectUrl . '">' . \htmlspecialchars($redirectUrl) . '</a>
138	</p>
139	<style>.header,.footer { display:none;}</style>
140	<script>setTimeout(function(){window.location.href="' . $redirectUrl . '"}, ' . $countdown * 1000 . ');</script>';
141	$backLinks = '';
142	$optionalLinks = '';
143	}
144	$content = '<h2>' . $message . '</h2>' . $redirectSection . $backLinks . ' ' . (\Piwik_ShouldPrintBackTraceWithMessage() ? $optionalTrace : '') . ' ' . $optionalLinks;
145	$message = \str_replace(array("<br />", "<br>", "<br/>", "</p>"), "\n", $message);
146	$message = \str_replace("\t", "", $message);
147	$message = \strip_tags($message);
148	if (!$isCli) {
149	$message = $headerPage . $content . $footerPage;
150	}
151	$message .= "\n";
152	return $message;
153	}
154	}
155	if (!empty($piwik_errorMessage)) {
156	echo \Piwik_GetErrorMessagePage($piwik_errorMessage, \false, \true);
157	exit(1);
158	}
159	}
160