0;
if ($minimumPhpInvalid) {
$piwik_errorMessage .= "To run Piwik you need at least PHP version $piwik_minimumPHPVersion
Unfortunately it seems your webserver is using PHP version $piwik_currentPHPVersion.
Please try to update your PHP version, Piwik is really worth it! Nowadays most web hosts
support PHP $piwik_minimumPHPVersion.
Also see the FAQ: My Web host supports PHP4 by default. How can I enable PHP5?
";
} else {
if (!extension_loaded('session')) {
$piwik_errorMessage .= "Piwik and Zend_Session require the session extension
It appears your PHP was compiled with
--disable-session
.
To enjoy Piwik, you need PHP compiled without that configure option.";
}
if (!function_exists('ini_set')) {
$piwik_errorMessage .= "Piwik and Zend_Session require the ini_set() function
It appears your PHP has disabled this function.
To enjoy Piwik, you need remove
ini_set
from your disable_functions
directive in php.ini, and restart your webserver.";
}
if (ini_get('mbstring.func_overload')) {
$piwik_errorMessage .= "Piwik does not work when PHP is configured with mbstring.func_overload = " . ini_get('mbstring.func_overload') . "
It appears your mbstring extension in PHP is configured to override string functions.
To enjoy Piwik, you need to modify php.ini
mbstring.func_overload = 0
, and restart your webserver.";
}
if (!function_exists('json_encode')) {
$piwik_errorMessage .= "Piwik requires the php5-json extension which provides the functions json_encode() and json_decode()
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: sudo apt-get install php5-json.
Then restart your webserver and refresh this page.
";
}
if (!file_exists(PIWIK_VENDOR_PATH . '/autoload.php')) {
$composerInstall = "In the piwik directory, run in the command line the following (eg. via ssh): \n\n"
. " curl -sS https://getcomposer.org/installer | php \n\n php composer.phar install\n\n
";
if (DIRECTORY_SEPARATOR === '\\' /* ::isWindows() */) {
$composerInstall = "Download and run Composer-Setup.exe, 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. "
. "
Then run this command in a terminal in the piwik directory:
$ php composer.phar install ";
}
$piwik_errorMessage .= "It appears the composer tool is not yet installed. You can install Composer in a few easy steps:\n\n".
"
" . $composerInstall.
" This will initialize composer for Piwik and download libraries we use in vendor/* directory.".
"\n\n
Then reload this page to access your analytics reports." .
"\n\n
For more information check out this FAQ: How do I use Piwik from the Git repository?." .
"\n\n
Note: if for some reasons you cannot install composer, instead install the latest Piwik release from ".
"builds.piwik.org.
";
}
}
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, $isCli = null)
{
error_log(sprintf("Error in Piwik: %s", str_replace("\n", " ", strip_tags($message))));
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');
}
}
// We return only an HTML fragment for AJAX requests
if (isset($_SERVER['HTTP_X_REQUESTED_WITH'])
&& (strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest')
) {
return "Error: $message
";
}
if (empty($logoUrl)) {
$logoUrl = "plugins/Morpheus/images/logo-header.png";
}
if (empty($faviconUrl)) {
$faviconUrl = "plugins/CoreHome/images/favicon.png";
}
if ($optionalTrace) {
$optionalTrace = 'Stack trace
' . htmlentities($optionalTrace) . '
';
}
if ($isCli === null) {
$isCli = PHP_SAPI == 'cli';
}
if ($optionalLinks) {
$optionalLinks = '';
}
if ($optionalLinkBack) {
$optionalLinkBack = 'Go Back';
}
$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 = '' . $message . '
'
. $optionalLinkBack
. ' | Go to Piwik'
. '
'
. ' ' . (Piwik_ShouldPrintBackTraceWithMessage() ? $optionalTrace : '')
. ' ' . $optionalLinks;
$message = str_replace(array("
", "
", "
", ""), "\n", $message);
$message = str_replace("\t", "", $message);
$message = strip_tags($message);
if (!$isCli) {
$message = $headerPage . $content . $footerPage;
}
$message .= "\n";
return $message;
}
}
if (!empty($piwik_errorMessage)) {
echo Piwik_GetErrorMessagePage($piwik_errorMessage, false, true);
exit(1);
}