2007-04-16 11:58:25 +00:00
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<?php
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2009-07-21 03:18:40 +00:00
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/**
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* \mainpage Shimmie2 / SCore Documentation
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2009-07-21 06:36:12 +00:00
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*
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* SCore is a framework designed for writing flexible, extendable applications.
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2013-11-28 05:34:31 +00:00
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* Whereas most PHP apps are built monolithically, score's event-based nature
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2009-07-21 06:36:12 +00:00
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* allows parts to be mixed and matched. For instance, the most famous
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* collection of score extensions is the Shimmie image board, which includes
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* user management, a wiki, a private messaging system, etc. But one could
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* easily remove the image board bits and simply have a wiki with users and
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* PMs; or one could replace it with a blog module; or one could have a blog
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* which links to images on an image board, with no wiki or messaging, and so
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* on and so on...
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2014-02-22 20:36:52 +00:00
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*
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2009-07-21 06:36:12 +00:00
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* Dijkstra will kill me for personifying my architecture, but I can't think
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* of a better way without going into all the little details.
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2013-11-28 05:34:31 +00:00
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* There are a bunch of Extension subclasses, they talk to each other by sending
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* and receiving Event subclasses. The primary driver for each conversation is the
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2012-03-05 13:56:36 +00:00
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* initial PageRequestEvent. If an Extension wants to display something to the
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* user, it adds a block to the Page data store. Once the conversation is over, the Page is passed to the
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2009-07-21 03:18:40 +00:00
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* current theme's Layout class which will tidy up the data and present it to
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2012-03-05 13:56:36 +00:00
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* the user. To see this in a more practical sense, see \ref hello.
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2009-07-21 03:18:40 +00:00
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*
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2009-07-21 06:36:12 +00:00
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* To learn more about the architecture:
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*
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* \li \ref eande
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* \li \ref themes
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*
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* To learn more about practical development:
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*
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* \li \ref scglobals
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* \li \ref unittests
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*
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* \page scglobals SCore Globals
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2014-02-22 20:36:52 +00:00
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*
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2009-07-21 03:18:40 +00:00
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* There are four global variables which are pretty essential to most extensions:
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2014-02-22 20:36:52 +00:00
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*
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2009-07-21 03:18:40 +00:00
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* \li $config -- some variety of Config subclass
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* \li $database -- a Database object used to get raw SQL access
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* \li $page -- a Page to holds all the loose bits of extension output
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* \li $user -- the currently logged in User
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2009-07-21 06:36:12 +00:00
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*
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* Each of these can be imported at the start of a function with eg "global $page, $user;"
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2009-07-21 03:18:40 +00:00
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*/
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2020-01-27 19:28:58 +00:00
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
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* Make sure that shimmie is correctly installed *
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\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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2019-05-28 16:59:38 +00:00
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if (!file_exists("data/config/shimmie.conf.php")) {
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2020-02-06 02:19:51 +00:00
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require_once "core/install.php";
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install();
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2019-05-28 16:59:38 +00:00
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exit;
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2011-12-24 21:56:26 +00:00
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}
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2007-10-27 19:38:13 +00:00
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2019-05-28 16:59:38 +00:00
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if (!file_exists("vendor/")) {
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//CHECK: Should we just point to install.php instead? Seems unsafe though.
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print <<<EOD
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2016-06-18 05:42:52 +00:00
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<!DOCTYPE html>
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2020-03-13 09:23:54 +00:00
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<html lang="en">
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2016-06-18 05:42:52 +00:00
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<head>
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<title>Shimmie Error</title>
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2020-02-23 18:48:25 +00:00
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<link rel="shortcut icon" href="ext/static_files/static/favicon.ico">
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<link rel="stylesheet" href="ext/static_files/style.css" type="text/css">
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2016-06-18 05:42:52 +00:00
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</head>
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<body>
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<div id="installer">
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<h1>Install Error</h1>
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<h3>Warning: Composer vendor folder does not exist!</h3>
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<div class="container">
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<p>Shimmie is unable to find the composer vendor directory.<br>
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2018-11-07 00:08:26 +00:00
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Have you followed the composer setup instructions found in the
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2019-05-29 17:23:29 +00:00
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<a href="https://github.com/shish/shimmie2#installation-development">README</a>?</p>
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2016-06-18 05:42:52 +00:00
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2018-11-07 00:08:26 +00:00
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<p>If you are not intending to do any development with Shimmie,
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it is highly recommend you use one of the pre-packaged releases
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found on <a href="https://github.com/shish/shimmie2/releases">Github</a> instead.</p>
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2016-06-18 05:42:52 +00:00
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</div>
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</div>
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</body>
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</html>
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EOD;
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2019-05-28 16:59:38 +00:00
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http_response_code(500);
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exit;
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2016-06-18 05:42:52 +00:00
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}
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2020-01-27 19:28:58 +00:00
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require_once "vendor/autoload.php";
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
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* Load files *
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\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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@include_once "data/config/shimmie.conf.php";
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@include_once "data/config/extensions.conf.php";
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require_once "core/sys_config.php";
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require_once "core/polyfills.php";
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require_once "core/util.php";
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global $cache, $config, $database, $user, $page, $_tracer;
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_sanitise_environment();
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2020-03-13 09:23:54 +00:00
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$_tracer = new EventTracer();
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2020-01-27 19:28:58 +00:00
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$_tracer->begin("Bootstrap");
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_load_core_files();
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$cache = new Cache(CACHE_DSN);
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$database = new Database(DATABASE_DSN);
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$config = new DatabaseConfig($database);
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ExtensionInfo::load_all_extension_info();
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Extension::determine_enabled_extensions();
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require_all(zglob("ext/{".Extension::get_enabled_extensions_as_string()."}/main.php"));
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_load_theme_files();
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$page = new Page();
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_load_event_listeners();
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$_tracer->end();
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
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* Send events, display output *
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\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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2009-01-04 16:24:06 +00:00
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try {
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2020-03-18 20:26:52 +00:00
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// $_tracer->mark(@$_SERVER["REQUEST_URI"]);
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$_tracer->begin(
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$_SERVER["REQUEST_URI"] ?? "No Request",
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[
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"user"=>$_COOKIE["shm_user"] ?? "No User",
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"ip"=>$_SERVER['REMOTE_ADDR'] ?? "No IP",
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"user_agent"=>$_SERVER['HTTP_USER_AGENT'] ?? "No UA",
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]
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);
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if (!SPEED_HAX) {
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send_event(new DatabaseUpgradeEvent());
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}
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send_event(new InitExtEvent());
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2019-05-28 16:59:38 +00:00
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// start the page generation waterfall
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2019-06-27 14:47:22 +00:00
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$user = _get_user();
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2019-07-04 17:48:33 +00:00
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send_event(new UserLoginEvent($user));
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2019-05-28 16:59:38 +00:00
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if (PHP_SAPI === 'cli' || PHP_SAPI == 'phpdbg') {
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send_event(new CommandEvent($argv));
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} else {
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send_event(new PageRequestEvent(_get_query()));
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$page->display();
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}
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2008-01-02 21:49:12 +00:00
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2019-09-29 13:30:55 +00:00
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if ($database->transaction===true) {
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2019-06-24 21:58:50 +00:00
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$database->commit();
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}
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2019-05-28 16:59:38 +00:00
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// saving cache data and profiling data to disk can happen later
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if (function_exists("fastcgi_finish_request")) {
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fastcgi_finish_request();
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}
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} catch (Exception $e) {
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2019-06-25 15:07:46 +00:00
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if ($database && $database->transaction===true) {
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2019-05-28 16:59:38 +00:00
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$database->rollback();
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}
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_fatal_error($e);
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2020-03-18 20:26:52 +00:00
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} finally {
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$_tracer->end();
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if (TRACE_FILE) {
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if (
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empty($_SERVER["REQUEST_URI"])
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|| (
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(microtime(true) - $_shm_load_start) > TRACE_THRESHOLD
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&& ($_SERVER["REQUEST_URI"] ?? "") != "/upload"
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)
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) {
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$_tracer->flush(TRACE_FILE);
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}
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2019-09-29 13:30:55 +00:00
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}
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2019-07-05 19:49:47 +00:00
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}
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