testMinimumPhpVersion.php — Matomo Analytics – Powerful, Privacy-First Insights for WordPress 1.3.1

matomo / app / core / testMinimumPhpVersion.php

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testMinimumPhpVersion.php

198 lines

1	<?php
2	/**
3	* Piwik - free/libre analytics platform
4	*
5	* @link https://matomo.org
6	* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
7	*
8	*/
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 PHP4.
14	*/
15
16	$piwik_errorMessage = '';
17
18	// Minimum requirement: stream_resolve_include_path, working json_encode in 5.3.3, namespaces in 5.3
19	// NOTE: when changing this variable, we also need to update
20	// 1) api.matomo.org
21	// 2) tests/travis/generator/Generator.php
22	// 3) composer.json (in two places)
23	// 4) tests/PHPUnit/Integration/ReleaseCheckListTest.php
24	$piwik_minimumPHPVersion = '5.5.9';
25	$piwik_currentPHPVersion = PHP_VERSION;
26	$minimumPhpInvalid = version_compare($piwik_minimumPHPVersion, $piwik_currentPHPVersion) > 0;
27	if ($minimumPhpInvalid) {
28	$piwik_errorMessage .= "<p><strong>To run Matomo you need at least PHP version $piwik_minimumPHPVersion</strong></p>
29	<p>Unfortunately it seems your webserver is using PHP version $piwik_currentPHPVersion. </p>
30	<p>Please try to update your PHP version, Matomo is really worth it! Nowadays most web hosts
31	support PHP $piwik_minimumPHPVersion.</p>
32	<p>Also see the FAQ: <a href='https://matomo.org/faq/how-to-install/#faq_77'>My Web host supports PHP4 by default. How can I enable PHP5?</a></p>";
33	} else {
34	if (!extension_loaded('session')) {
35	$piwik_errorMessage .= "<p><strong>Matomo and Zend_Session require the session extension</strong></p>
36	<p>It appears your PHP was compiled with <pre>--disable-session</pre>.
37	To enjoy Matomo, you need PHP compiled without that configure option.</p>";
38	}
39
40	if (!function_exists('ini_set')) {
41	$piwik_errorMessage .= "<p><strong>Matomo and Zend_Session require the <code>ini_set()</code> function</strong></p>
42	<p>It appears your PHP has disabled this function.
43	To enjoy Matomo, you need remove <pre>ini_set</pre> from your <pre>disable_functions</pre> directive in php.ini, and restart your webserver.</p>";
44	}
45
46	if (ini_get('mbstring.func_overload')) {
47	$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>
48	<p>It appears your mbstring extension in PHP is configured to override string functions.
49	To enjoy Matomo, you need to modify php.ini <pre>mbstring.func_overload = 0</pre>, and restart your webserver.</p>";
50	}
51
52	if (!function_exists('json_encode')) {
53	$piwik_errorMessage .= "<p><strong>Matomo requires the php5-json extension which provides the functions <code>json_encode()</code> and <code>json_decode()</code></strong></p>
54	<p>It appears your PHP has not yet installed the php5-json extension.
55	To use Matomo, please ask your web host to install php5-json or install it yourself, for example on debian system: <code>sudo apt-get install php5-json</code>. <br/>Then restart your webserver and refresh this page.</p>";
56	}
57
58	if (!file_exists(PIWIK_VENDOR_PATH . '/autoload.php')) {
59	$composerInstall = "In the matomo directory, run in the command line the following (eg. via ssh): \n\n"
60	. "<pre> curl -sS https://getcomposer.org/installer \| php \n\n php composer.phar install\n\n</pre> ";
61	if (DIRECTORY_SEPARATOR === '\\' /* ::isWindows() */) {
62	$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. "
63	. " <br>Then run this command in a terminal in the matomo directory: <br> $ php composer.phar install ";
64	}
65	$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".
66	"<br/>" . $composerInstall.
67	" This will initialize composer for Matomo and download libraries we use in vendor/* directory.".
68	"\n\n<br/><br/>Then reload this page to access your analytics reports." .
69	"\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>." .
70	"\n\n<br/><br/>Note: if for some reasons you cannot install composer, instead install the latest Matomo release from ".
71	"<a href='https://builds.matomo.org/piwik.zip' rel='noreferrer noopener'>builds.matomo.org</a>.</p>";
72	}
73	}
74
75	define('PAGE_TITLE_WHEN_ERROR', 'Matomo &rsaquo; Error');
76
77	if (!function_exists('Piwik_GetErrorMessagePage')) {
78	/**
79	* Returns true if Piwik should print the backtrace with error messages.
80	*
81	* To make sure the backtrace is printed, define PIWIK_PRINT_ERROR_BACKTRACE.
82	*
83	* @return bool
84	*/
85	function Piwik_ShouldPrintBackTraceWithMessage()
86	{
87	if (\Piwik\SettingsServer::isArchivePhpTriggered()
88	&& \Piwik\Common::isPhpCliMode()
89	) {
90	return true;
91	}
92
93	$bool = (defined('PIWIK_PRINT_ERROR_BACKTRACE') && PIWIK_PRINT_ERROR_BACKTRACE)
94	\|\| !empty($GLOBALS['PIWIK_TRACKER_DEBUG']);
95
96	return $bool;
97	}
98
99	/**
100	* Displays info/warning/error message in a friendly UI and exits.
101	*
102	* Note: this method should not be called by anyone other than FrontController.
103	*
104	* @param string $message Main message, must be html encoded before calling
105	* @param bool\|string $optionalTrace Backtrace; will be displayed in lighter color
106	* @param bool $optionalLinks If true, will show links to the Piwik website for help
107	* @param bool $optionalLinkBack If true, displays a link to go back
108	* @param bool\|string $logoUrl The URL to the logo to use.
109	* @param bool\|string $faviconUrl The URL to the favicon to use.
110	* @return string
111	*/
112	function Piwik_GetErrorMessagePage($message, $optionalTrace = false, $optionalLinks = false, $optionalLinkBack = false,
113	$logoUrl = false, $faviconUrl = false, $isCli = null)
114	{
115	error_log(sprintf("Error in Matomo: %s", str_replace("\n", " ", strip_tags($message))));
116
117	if (!headers_sent()) {
118	header('Content-Type: text/html; charset=utf-8');
119	header('Cache-Control: private, no-cache, no-store');
120
121	$isInternalServerError = preg_match('/(sql\|database\|mysql)/i', $message);
122	if ($isInternalServerError) {
123	header('HTTP/1.1 500 Internal Server Error');
124	}
125	}
126
127	// We return only an HTML fragment for AJAX requests
128	if (isset($_SERVER['HTTP_X_REQUESTED_WITH'])
129	&& (strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest')
130	) {
131	return "<div class='alert alert-danger'><strong>Error:</strong> $message</div>";
132	}
133
134	if (empty($logoUrl)) {
135	$logoUrl = "plugins/Morpheus/images/logo.svg";
136	}
137
138	if (empty($faviconUrl)) {
139	$faviconUrl = "plugins/CoreHome/images/favicon.png";
140	}
141
142	if ($optionalTrace) {
143	$optionalTrace = '<h2>Stack trace</h2><pre>' . htmlentities($optionalTrace, ENT_COMPAT \| ENT_HTML401, 'UTF-8') . '</pre>';
144	}
145
146	if ($isCli === null) {
147	$isCli = PHP_SAPI == 'cli';
148	}
149
150	if ($optionalLinks) {
151	$optionalLinks = '<ul>
152	<li><a rel="noreferrer noopener" target="_blank" href="https://matomo.org">Matomo.org homepage</a></li>
153	<li><a rel="noreferrer noopener" target="_blank" href="https://matomo.org/faq/">Frequently Asked Questions</a></li>
154	<li><a rel="noreferrer noopener" target="_blank" href="https://matomo.org/docs/">User Guides</a></li>
155	<li><a rel="noreferrer noopener" target="_blank" href="https://forum.matomo.org/">Matomo Forums</a></li>
156	<li><a rel="noreferrer noopener" target="_blank" href="https://matomo.org/support/?pk_campaign=App_AnErrorOccured&pk_source=Matomo_App&pk_medium=ProfessionalServicesLink">Professional Support for Matomo</a></li>
157	</ul>';
158	}
159	if ($optionalLinkBack) {
160	$optionalLinkBack = '<a href="javascript:window.history.back();">Go Back</a>';
161	}
162
163	$headerPage = file_get_contents(PIWIK_INCLUDE_PATH . '/plugins/Morpheus/templates/simpleLayoutHeader.tpl');
164	$headerPage = str_replace('%logoUrl%', $logoUrl, $headerPage);
165	$headerPage = str_replace('%faviconUrl%', $faviconUrl, $headerPage);
166
167	$footerPage = file_get_contents(PIWIK_INCLUDE_PATH . '/plugins/Morpheus/templates/simpleLayoutFooter.tpl');
168
169	$headerPage = str_replace('{$HTML_TITLE}', PAGE_TITLE_WHEN_ERROR, $headerPage);
170
171	$content = '<h2>' . $message . '</h2>
172	<p>'
173	. $optionalLinkBack
174	. ' \| <a href="index.php">Go to Matomo</a>'
175	. '</p>'
176	. ' ' . (Piwik_ShouldPrintBackTraceWithMessage() ? $optionalTrace : '')
177	. ' ' . $optionalLinks;
178
179
180	$message = str_replace(array("<br />", "<br>", "<br/>", "</p>"), "\n", $message);
181	$message = str_replace("\t", "", $message);
182	$message = strip_tags($message);
183
184	if (!$isCli) {
185	$message = $headerPage . $content . $footerPage;
186	}
187
188	$message .= "\n";
189
190	return $message;
191	}
192	}
193
194	if (!empty($piwik_errorMessage)) {
195	echo Piwik_GetErrorMessagePage($piwik_errorMessage, false, true);
196	exit(1);
197	}
198