www.gusucode.com > Piwik 网站流量统计系统 v2.9.1PHP源码程序 > Piwik 网站流量统计系统 v2.9.1/How to install Piwik.html/piwik/core/testMinimumPhpVersion.php
<?php /** * Piwik - free/libre analytics platform * * @link http://piwik.org * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later * */ /** * This file is executed before anything else. * It checks the minimum PHP version required to run Piwik. * This file must be compatible PHP4. */ $piwik_errorMessage = ''; // Minimum requirement: stream_resolve_include_path, working json_encode in 5.3.3, namespaces in 5.3 $piwik_minimumPHPVersion = '5.3.3'; $piwik_currentPHPVersion = PHP_VERSION; $minimumPhpInvalid = version_compare($piwik_minimumPHPVersion, $piwik_currentPHPVersion) > 0; if ($minimumPhpInvalid) { $piwik_errorMessage .= "<p><strong>To run Piwik you need at least PHP version $piwik_minimumPHPVersion</strong></p> <p>Unfortunately it seems your webserver is using PHP version $piwik_currentPHPVersion. </p> <p>Please try to update your PHP version, Piwik is really worth it! Nowadays most web hosts support PHP $piwik_minimumPHPVersion.</p> <p>Also see the FAQ: <a href='http://piwik.org/faq/how-to-install/#faq_77'>My Web host supports PHP4 by default. How can I enable PHP5?</a></p>"; } else { if (!extension_loaded('session')) { $piwik_errorMessage .= "<p><strong>Piwik and Zend_Session require the session extension</strong></p> <p>It appears your PHP was compiled with <pre>--disable-session</pre>. To enjoy Piwik, you need PHP compiled without that configure option.</p>"; } if (!function_exists('ini_set')) { $piwik_errorMessage .= "<p><strong>Piwik and Zend_Session require the <code>ini_set()</code> function</strong></p> <p>It appears your PHP has disabled this function. To enjoy Piwik, you need remove <pre>ini_set</pre> from your <pre>disable_functions</pre> directive in php.ini, and restart your webserver.</p>"; } if (!function_exists('json_encode')) { $piwik_errorMessage .= "<p><strong>Piwik requires the php5-json extension which provides the functions <code>json_encode()</code> and <code>json_decode()</code></strong></p> <p>It appears your PHP has not yet installed the php5-json extension. To use Piwik, 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>"; } if (!file_exists(PIWIK_INCLUDE_PATH . '/vendor/autoload.php') && !file_exists(PIWIK_INCLUDE_PATH . '/../../autoload.php')) { $composerInstall = "In the piwik 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> "; if (DIRECTORY_SEPARATOR === '\\' /* ::isWindows() */) { $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 piwik directory: <br> $ php composer.phar update "; } $piwik_errorMessage .= "<p>It appears the <a href='https://getcomposer.org/' 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 Piwik 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='http://piwik.org/faq/how-to-install/faq_18271/' target='_blank'>How do I use Piwik from the Git repository?</a>." . "\n\n<br/><br/>Note: if for some reasons you cannot install composer, instead install the latest Piwik release from ". "<a href='http://builds.piwik.org/piwik.zip'>builds.piwik.org</a>.</p>"; } } define('PAGE_TITLE_WHEN_ERROR', 'Piwik › Error'); if (!function_exists('Piwik_GetErrorMessagePage')) { /** * Returns true if Piwik should print the backtrace with error messages. * * To make sure the backtrace is printed, define PIWIK_PRINT_ERROR_BACKTRACE. * * @return bool */ function Piwik_ShouldPrintBackTraceWithMessage() { $bool = (defined('PIWIK_PRINT_ERROR_BACKTRACE') && PIWIK_PRINT_ERROR_BACKTRACE) || !empty($GLOBALS['PIWIK_TRACKER_DEBUG']); return $bool; } /** * Displays info/warning/error message in a friendly UI and exits. * * Note: this method should not be called by anyone other than FrontController. * * @param string $message Main message, must be html encoded before calling * @param bool|string $optionalTrace Backtrace; will be displayed in lighter color * @param bool $optionalLinks If true, will show links to the Piwik website for help * @param bool $optionalLinkBack If true, displays a link to go back * @param bool|string $logoUrl The URL to the logo to use. * @param bool|string $faviconUrl The URL to the favicon to use. * @return string */ function Piwik_GetErrorMessagePage($message, $optionalTrace = false, $optionalLinks = false, $optionalLinkBack = false, $logoUrl = false, $faviconUrl = false, $isCli = null) { if (!headers_sent()) { header('Content-Type: text/html; charset=utf-8'); $isInternalServerError = preg_match('/(sql|database|mysql)/i', $message); if($isInternalServerError) { header('HTTP/1.1 500 Internal Server Error'); } } if (empty($logoUrl)) { $logoUrl = "plugins/Morpheus/images/logo-header.png"; } if (empty($faviconUrl)) { $faviconUrl = "plugins/CoreHome/images/favicon.ico"; } if ($optionalTrace) { $optionalTrace = '<span class="exception-backtrace">Backtrace:<br /><pre>' . $optionalTrace . '</pre></span>'; } if ($isCli === null) { $isCli = PHP_SAPI == 'cli'; } if ($optionalLinks) { $optionalLinks = '<ul> <li><a target="_blank" href="http://piwik.org">Piwik.org homepage</a></li> <li><a target="_blank" href="http://piwik.org/faq/">Piwik Frequently Asked Questions</a></li> <li><a target="_blank" href="http://piwik.org/docs/">Piwik Documentation</a></li> <li><a target="_blank" href="http://forum.piwik.org/">Piwik Forums</a></li> <li><a target="_blank" href="http://demo.piwik.org">Piwik Online Demo</a></li> </ul>'; } if ($optionalLinkBack) { $optionalLinkBack = '<a href="javascript:window.history.back();">Go Back</a><br/>'; } $headerPage = file_get_contents(PIWIK_INCLUDE_PATH . '/plugins/Morpheus/templates/simpleLayoutHeader.tpl'); $headerPage = str_replace('%logoUrl%', $logoUrl, $headerPage); $headerPage = str_replace('%faviconUrl%', $faviconUrl, $headerPage); $footerPage = file_get_contents(PIWIK_INCLUDE_PATH . '/plugins/Morpheus/templates/simpleLayoutFooter.tpl'); $headerPage = str_replace('{$HTML_TITLE}', PAGE_TITLE_WHEN_ERROR, $headerPage); $content = '<p>' . $message . '</p> <p>' . $optionalLinkBack . '<a href="index.php">Go to Piwik</a><br/> <a href="index.php?module=Login">Login</a>' . '</p>' . ' ' . (Piwik_ShouldPrintBackTraceWithMessage() ? $optionalTrace : '') . ' ' . $optionalLinks; $message = str_replace(array("<br />", "<br>", "<br/>", "</p>"), "\n", $message); $message = str_replace("\t", "", $message); $message = strip_tags($message); if (!$isCli) { $message = $headerPage . $content . $footerPage; } $message .= "\n"; error_log(sprintf("Error in Piwik: %s", str_replace("\n", " ", $message))); return $message; } } if (!empty($piwik_errorMessage)) { echo Piwik_GetErrorMessagePage($piwik_errorMessage, false, true); exit(1); }