/htdocs/diagnosis/index.php
PHP | 409 lines | 383 code | 10 blank | 16 comment | 91 complexity | f490d73a951fa118b7a3f9cbb84deb93 MD5 | raw file
Possible License(s): BSD-3-Clause
- <?php
- include "../common/common.php";
- include get_language_file("./lang");
- $knownUnstablePhpVersions = array(
- array('=', '5.3.14', 'random corrupt memory on high concurrent'),
- );
- $module = "diagnosis";
- $notes = array();
- $activeNote = null;
- function checking($item) // {{{
- {
- global $activeNote;
- $activeNote = array('item' => $item);
- }
- // }}}
- function result($type, $result, $suggestion = "") // {{{
- {
- global $notes, $activeNote;
- $notes[] = array(
- 'type' => $type
- , 'result' => ($type != 'skipped' && !$suggestion ? "OK. " : "") . $result
- , 'suggestion' => $suggestion
- ) + $activeNote;
- }
- // }}}
- function getCacheInfos() // {{{
- {
- $phpCacheCount = xcache_count(XC_TYPE_PHP);
- $varCacheCount = xcache_count(XC_TYPE_VAR);
- $cacheInfos = array();
- for ($i = 0; $i < $phpCacheCount; $i ++) {
- $cacheInfo = xcache_info(XC_TYPE_PHP, $i);
- $cacheInfo['type'] = XC_TYPE_PHP;
- $cacheInfos[] = $cacheInfo;
- }
- for ($i = 0; $i < $varCacheCount; $i ++) {
- $cacheInfo = xcache_info(XC_TYPE_VAR, $i);
- $cacheInfo['type'] = XC_TYPE_VAR;
- $cacheInfos[] = $cacheInfo;
- }
- return $cacheInfos;
- }
- // }}}
- function getIniFileInfo() // {{{
- {
- ob_start();
- phpinfo(INFO_GENERAL);
- $info = ob_get_clean();
- ob_start();
- if (preg_match_all("!<tr>[^<]*<td[^>]*>[^<]*(?:Configuration|ini|Server API)[^<]*</td>[^<]*<td[^>]*>[^<]*</td>[^<]*</tr>!s", $info, $m)) {
- $iniInfo = '<table class="phpinfo">'
- . implode('', $m[0])
- . '</table>';
- }
- else {
- $iniInfo = '';
- }
- $loadedIni = '';
- $iniDirectory = '';
- if (preg_match('!<td class="v">(.*?\\.ini)!', $info, $m)) {
- $loadedIni = $m[1];
- }
- else if (preg_match('!Configuration File \\(php.ini\\) Path *</td><td class="v">([^<]+)!', $info, $m)) {
- $iniDirectory = $m[1];
- }
- return array($loadedIni, $iniDirectory, $iniInfo);
- }
- // }}}
- $xcacheLoaded = extension_loaded('XCache');
- checking(_T("XCache extension")); // {{{
- if (!$xcacheLoaded) {
- list($loadedIni, $iniDirectory, $iniInfo) = getIniFileInfo();
- if ($loadedIni) {
- echo sprintf(_T("Add extension=xcache.so (or xcache.dll) in %s"), $loadedIni);
- }
- else if (preg_match('!Configuration File \\(php.ini\\) Path *</td><td class="v">([^<]+)!', $info, $m)) {
- echo sprintf(_T("Please put a php.ini in %s and add extension=xcache.so (or xcache.dll) in it"), $iniDirectory);
- }
- else {
- echo _T("Cannot detect php.ini location");
- }
- echo " ", _T("(See above)");
- result(N_("error"), _T('Not loaded'), ob_get_clean());
- }
- else {
- result(N_("info"), _T('Loaded'));
- }
- // }}}
- if ($xcacheLoaded) { // {{{ load XCache summary
- $cacheInfos = getCacheInfos();
- $ooms = 0;
- $errors = 0;
- $disabled = 0;
- $compiling = 0;
- $readonlyProtection = false;
- $phpCacheCount = xcache_count(XC_TYPE_PHP);
- $phpCached = 0;
- $varCached = 0;
- foreach ($cacheInfos as $cacheInfo) {
- $ooms += $cacheInfo['ooms'];
- $errors += $cacheInfo['errors'];
- $disabled += $cacheInfo['disabled'] ? 1 : 0;
- if ($cacheInfo['type'] == XC_TYPE_PHP) {
- $compiling += $cacheInfo['compiling'] ? 1 : 0;
- $phpCached += $cacheInfo['cached'];
- }
- if ($cacheInfo['type'] == XC_TYPE_VAR && $cacheInfo['cached']) {
- $varCached += $cacheInfo['cached'];
- }
- if ($cacheInfo['can_readonly']) {
- $readonlyProtection = true;
- }
- }
- }
- // }}}
- checking(_T("Enabling PHP Cacher")); // {{{
- if (!$xcacheLoaded) {
- result(N_("skipped"), "XCache not loaded");
- }
- else if (!ini_get("xcache.size")) {
- result(N_("error")
- , _T("Not enabled")
- , _T("Your PHP pages is not accelerated by XCache. Set xcache.size to non-zero, set xcache.cacher = On")
- );
- }
- else if (!$phpCached) {
- result(N_("error")
- , _T("No php script cached")
- , _T("Your PHP pages is not accelerated by XCache. Set xcache.cacher = On")
- );
- }
- else {
- result(N_("info"), _T('Enabled'));
- }
- // }}}
- checking(_T("PHP Compile Time Error")); // {{{
- if (!$xcacheLoaded) {
- result(N_("skipped"), "XCache not loaded");
- }
- else if (!$phpCacheCount) {
- result(N_("skipped"), "XCache PHP cacher not enabled");
- }
- else if ($errors) {
- result(N_("warning")
- , _T("Error happened when compiling one or some of your PHP code")
- , _T("PHP code failed to be compiled cannot be cached. This usually means there was syntax error in your PHP code. Enable PHP error_log to see what parser error is it, fix your code. This warning won't go away until PHP is restarted")
- );
- }
- else {
- result(N_("info"), _T('No error happened'));
- }
- // }}}
- checking(_T("Busy Compiling")); // {{{
- if (!$xcacheLoaded) {
- result(N_("skipped"), "XCache not loaded");
- }
- else if (!$phpCacheCount) {
- result(N_("skipped"), "XCache PHP cacher not enabled");
- }
- else if ($compiling) {
- result(N_("warning")
- , _T("Cache marked as busy for compiling")
- , _T("It's ok if this status don't stay for long. Otherwise, it could be a sign of PHP crash/coredump, report to XCache devs")
- );
- }
- else {
- result(N_("info"), _T('Idle'));
- }
- // }}}
- checking(_T("Enabling VAR Cacher")); // {{{
- if (!$xcacheLoaded) {
- result(N_("skipped"), "XCache not loaded");
- }
- else if (!ini_get("xcache.var_size")) {
- result(N_("warning")
- , _T("Not enabled")
- , _T("PHP code that use XCache caching backend have to use other caching backend instead. Set xcache.var_size to non-zero if you have any PHP code that can use XCache Data Caching API")
- );
- }
- else {
- result(N_("info"), _T('Enabled'));
- checking(_T("Using VAR Cacher")); // {{{
- if (!$varCached) {
- result(N_("warning")
- , _T("No variable data cached")
- , _T("Var Cacher won't work simply by enabling it."
- . " PHP code must call XCache APIs like xcache_set() to use it as cache backend. 3rd party web apps may come with XCache support, config it to use XCache as caching backend")
- );
- }
- else {
- result(N_("info"), _T('Cache in use'));
- }
- // }}}
- }
- // }}}
- checking(_T("Cache Size")); // {{{
- if (!$xcacheLoaded) {
- result(N_("skipped"), "XCache not loaded");
- }
- else if ($ooms) {
- result(N_("warning")
- , _T("Out of memory happened when trying to write to cache")
- , _T("Increase xcache.size and/or xcache.var_size")
- );
- }
- else {
- result(N_("info"), _T('Enough'));
- }
- // }}}
- checking(_T("Hash Slots")); // {{{
- if (!$xcacheLoaded) {
- result(N_("skipped"), "XCache not loaded");
- }
- else {
- $slotsTooBig = null;
- $slotsTooSmall = null;
- foreach ($cacheInfos as $cacheInfo) {
- if ($cacheInfo['size'] < '1024000' && $cacheInfo['slots'] >= '8192') {
- $slotsTooBig = $cacheInfo['type'];
- break;
- }
- if ($cacheInfo['slots'] < $cacheInfo['cached'] / 2) {
- $slotsTooSmall = $cacheInfo['type'];
- break;
- }
- }
- if (isset($slotsTooBig)) {
- $prefix = $slotsTooBig == XC_TYPE_PHP ? '' : 'var_';
- result(N_("warning")
- , _T("Slots value too big")
- , sprintf(_T("A very small value is set to %s value and leave %s value is too big.\n"
- . "Decrease %s if small cache is really what you want"), "xcache.{$prefix}size", "xcache.{$prefix}slots", "xcache.{$prefix}slots")
- );
- }
- else if (isset($slotsTooSmall)) {
- $prefix = $slotsTooSmall == XC_TYPE_PHP ? '' : 'var_';
- result(N_("warning")
- , _T("Slots value too small")
- , sprintf(_T("So many item are cached. Increase %s to a more proper value"), "xcache.{$prefix}slots")
- );
- }
- else {
- result(N_("info"), _T('Looks good'));
- }
- }
- // }}}
- checking(_T("Cache Status")); // {{{
- if (!$xcacheLoaded) {
- result(N_("skipped"), "XCache not loaded");
- }
- else if ($disabled) {
- result(N_("warning")
- , _T("At least one of the caches is disabled. ")
- , _T("Enable the cache.")
- . (ini_get("xcache.crash_on_coredump") ? " " . _T("It was disabled by PHP crash/coredump handler or you disabled it manually.") : _T('You disabled it manually.'))
- . (ini_get("xcache.crash_on_coredump") ? " " . _T("If it was caused by PHP crash/coredump, report to XCache devs") : "")
- );
- }
- else {
- result(N_("info"), _T('Idle'));
- }
- // }}}
- checking(_T("Coredump Directory")); // {{{
- if (!$xcacheLoaded) {
- result(N_("skipped"), "XCache not loaded");
- }
- else if (!ini_get("xcache.coredump_directory")) {
- result(N_("info")
- , _T("Not enabled")
- , _T("Enable coredump to save debugging information in case when PHP crash. It can also be enabled in other module like php-fpm beside XCache")
- );
- }
- else if (ini_get("xcache.coredump_directory")) {
- $coreDir = ini_get("xcache.coredump_directory");
- if (substr($coreDir, -1) != DIRECTORY_SEPARATOR) {
- $coreDir .= DIRECTORY_SEPARATOR;
- }
- $coreFiles = glob($coreDir . "core*");
- if ($coreFiles) {
- result(N_("error")
- , _T("Core files found:\n") . implode("\n", $coreFiles)
- , _T("Disable XCache PHP Cacher (set xcache.size=0), remove the core file(s), then restart PHP. If core file appears again, report call stack backtrace in the core to XCache devs")
- );
- }
- else {
- result(N_("info")
- , _T("Enabled")
- , sprintf(_T("You can see core files if PHP crash in %s if PHP crash"), ini_get("xcache.coredump_directory"))
- );
- }
- }
- // }}}
- checking(_T("Readonly Protection")); // {{{
- if (!$xcacheLoaded) {
- result(N_("skipped"), "XCache not loaded");
- }
- else if (ini_get("xcache.readonly_protection") && !$readonlyProtection) {
- result(N_("error")
- , _T("Set to enabled but not available")
- , _T("Use xcache.mmap_path other than /dev/zero")
- );
- }
- else {
- result(N_("info")
- , $readonlyProtection ? _T("Enabled") : _T("Disabled")
- , _T("Enable readonly_protection == --performance & ++stability. "
- . "Disable readonly_protection == ++performance & --stability")
- );
- }
- // }}}
- checking(_T("XCache modules")); // {{{
- if (!$xcacheLoaded) {
- result(N_("skipped"), "XCache not loaded");
- }
- else {
- $xcacheModules = explode(" ", XCACHE_MODULES);
- $unexpectedModules = array_intersect($xcacheModules, array("coverager", "disassembler"));
- if ($unexpectedModules) {
- result(N_("warning")
- , implode("\n", $unexpectedModules)
- , _T("Acceptable. Module(s) listed are built into XCache but not for production server.\n"
- . "Leave it as is if you're feeling good.\n"
- . "Re-configure XCache with the module(s) disabled if you're strict with server security.")
- );
- }
- else {
- result(N_("info"), _T('Idle'));
- }
- }
- // }}}
- checking(_T("XCache test setting")); // {{{
- if (!$xcacheLoaded) {
- result(N_("skipped"), "XCache not loaded");
- }
- else if ((int) ini_get('xcache.test') == 1) {
- result(N_("warning")
- , _T("Enabled")
- , _T("xcache.test is for testing only, not for server. set it to off")
- );
- }
- else {
- result(N_("info"), _T('Disabled'));
- }
- // }}}
- checking(_T("PHP Version")); // {{{
- $phpVersion = phpversion();
- $unstablePhpVersionReason = null;
- foreach ($knownUnstablePhpVersions as $knownUnstablePhpVersion) {
- list($compareOp, $unstablePhpVersion, $reason) = $knownUnstablePhpVersion;
- if ($compareOp) {
- $isUnstable = version_compare($phpVersion, $unstablePhpVersion, $compareOp);
- }
- else {
- $isUnstable = substr($phpVersion, 0, strlen($unstablePhpVersion)) == $unstablePhpVersion;
- }
- if ($isUnstable) {
- $unstablePhpVersionReason = $reason;
- break;
- }
- }
- if ($unstablePhpVersionReason) {
- result(N_("error")
- , _T("The version of PHP you're using is known to be unstable: ") . $unstablePhpVersionReason
- , _T("Upgrade to new version of PHP"));
- }
- else {
- result(N_("info"), _T("Looks good"));
- }
- // }}}
- checking(_T("Extension Compatibility")); // {{{
- $loadedZendExtensions = get_loaded_extensions(true);
- if (array_search("Zend Optimizer", $loadedZendExtensions) !== false) {
- result(N_("info")
- , _T("Zend Optimizer loaded")
- , _T("Optimizer feature of 'Zend Optimizer' is disabled by XCache due to compatibility reason; the Loader of it is still available, encoded files are still supported")
- );
- }
- else {
- result(N_("info"), _T("Looks good"));
- }
- // }}}
- checking(_T("SAPI Compatibility")); // {{{
- if (php_sapi_name() == "cgi" || php_sapi_name() == "cgi-fcgi" && !isset($_SERVER["FCGI_ROLE"])) {
- result(N_("error"), _T("CGI is not supported"), _T("Use FastCGI or FPM instead"));
- }
- else if (php_sapi_name() == "cgi-fcgi" && isset($_SERVER["FCGI_ROLE"]) && (int) getenv("PHP_FCGI_CHILDREN") < 1) {
- result(N_("error")
- , "PHP_FCGI_CHILDREN<1"
- , _T("PHP_FCGI_CHILDREN should be >= 1 and use 1 group of parent/childs model. See http://xcache.lighttpd.net/wiki/Faq"));
- }
- else {
- result(N_("info"), _T("Looks good"));
- }
- // }}}
- include "./diagnosis.tpl.php";