229 lines
8.1 KiB
PHP
229 lines
8.1 KiB
PHP
<?php
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register_module([
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"name" => "Statistics",
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"version" => "0.1",
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"author" => "Starbeamrainbowlabs",
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"description" => "An extensible statistics calculation system. Comes with a range of built-in statistics, but can be extended by other modules too.",
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"id" => "feature-stats",
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"code" => function() {
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global $settings;
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/**
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* @api {get|post} ?action=stats-update Recalculate the wiki's statistics
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* @apiName UpdateStats
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* @apiGroup Utility
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* @apiPermission Administrator
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*
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* @apiParam {string} secret POST only, optional. If you're not logged in, you can specify the wiki's sekret (find it in peppermint.json) using this parameter.
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*/
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/*
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* ███████ ████████ █████ ████████ ███████
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* ██ ██ ██ ██ ██ ██
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* ███████ ██ ███████ ██ ███████
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* ██ ██ ██ ██ ██ ██
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* ███████ ██ ██ ██ ██ ███████
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*/
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add_action("stats", function() {
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global $settings, $statistic_calculators;
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$stats = stats_load();
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$content = "<h1>Statistics</h1>";
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$content .= "<p>This page contains a selection of statistics about $settings->sitename's content. They are updated automatically about every " . trim(str_replace(["ago", "1 "], [""], human_time($settings->stats_update_interval))) . ", although $settings->sitename's local friendly moderators may update it earlier (you can see their names at the bottom of every page).</p>\n";
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$stat_scalar_values = [];
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$stat_contents = [];
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foreach($statistic_calculators as $stat_id => $stat_calculator) {
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if(!empty($stat_calculator["render"]))
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$stat_contents[$stat_calculator["name"]] = $stat_calculator["render"]($stats->$stat_id);
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else
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$stat_scalar_values[$stat_calculator["name"]] = $stats->$stat_id->value;
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}
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$content .= "<table class='stats-table'>\n";
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$content .= "\t<tr><th>Statistic</th><th>Value</th></tr>\n\n";
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foreach($stat_scalar_values as $scalar_name => $scalar_value) {
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$content .= "\t<tr><td>$scalar_name</td><td>$scalar_value</td></tr>\n";
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}
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$content .= "</table>\n";
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foreach($stat_contents as $stat_content_part)
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$content .= "$stat_content_part\n";
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exit(page_renderer::render_main("Statistics - $settings->sitename", $content));
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});
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/*
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* ███████ ████████ █████ ████████ ███████
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* ██ ██ ██ ██ ██ ██
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* ███████ ██ ███████ ██ ███████
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* ██ ██ ██ ██ ██ ██
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* ███████ ██ ██ ██ ██ ███████
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*
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* ██ ██ ██████ ██████ █████ ████████ ███████
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* ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
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* ██ ██ ██████ ██ ██ ███████ ██ █████
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* ██ ██ ██ ██ ██ ██ ██ ██ ██
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* ██████ ██ ██████ ██ ██ ██ ███████
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*/
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add_action("stats-update", function() {
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global $env, $paths, $settings;
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if(!$env->is_admin &&
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(
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empty($_POST["secret"]) ||
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$_POST["secret"] !== $settings->secret
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)
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)
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exit(page_renderer::render_main("Error - Recalculating Statistics - $settings->sitename", "<p>You need to be logged in as a moderator or better to get $settings->sitename to recalculate it's statistics. If you're logged in, try <a href='?action=logout'>logging out</a> and logging in again as a moderator. If you aren't logged in, try <a href='?action=login&returnto=%3Faction%3Dstats-update'>logging in</a>.</p>"));
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// Delete the old stats cache
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unlink($paths->statsindex);
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update_statistics(true);
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header("content-type: application/json");
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echo(file_get_contents($paths->statsindex) . "\n");
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});
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add_help_section("150-statistics", "Statistics", "<p></p>");
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//////////////////////////
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/// Built-in Statisics ///
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//////////////////////////
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// The longest pages
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statistic_add([
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"id" => "longest-pages",
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"name" => "Longest Pages",
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"update" => function($old_stats) {
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global $pageindex;
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$result = new stdClass(); // completed, value, state
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$pages = [];
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foreach($pageindex as $pagename => $pagedata) {
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$pages[$pagename] = $pagedata->size;
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}
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arsort($pages);
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$result->value = $pages;
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$result->completed = true;
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return $result;
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},
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"render" => function($stats_data) {
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$result = "<h2>$stats_data->name</h2>\n";
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$result .= "<ol class='stats-list longest-pages-list'>\n";
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$i = 0;
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foreach($stats_data->value as $pagename => $page_length) {
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$result .= "\t<li class='stats-item long-page'>$pagename <em>(" . human_filesize($page_length) . ")</em></li>\n";
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$i++;
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}
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$result .= "</ol>\n";
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return $result;
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}
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]);
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statistic_add([
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"id" => "page_count",
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"name" => "Page Count",
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"update" => function($old_stats) {
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global $pageindex;
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$result = new stdClass(); // completed, value, state
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$result->completed = true;
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$result->value = count(get_object_vars($pageindex));
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return $result;
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}
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]);
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statistic_add([
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"id" => "file_count",
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"name" => "File Count",
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"update" => function($old_stats) {
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global $pageindex;
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$result = new stdClass(); // completed, value, state
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$result->completed = true;
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$result->value = 0;
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foreach($pageindex as $pagename => $pagedata) {
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if(!empty($pagedata->uploadedfile) && $pagedata->uploadedfile)
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$result->value++;
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}
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return $result;
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}
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]);
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// Perform an automatic recalculation of the statistics if needed
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update_statistics(false);
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}
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]);
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function update_statistics($update_all = false)
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{
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global $settings, $statistic_calculators;
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$stats = stats_load();
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$start_time = microtime(true);
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$stats_updated = 0;
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foreach($statistic_calculators as $stat_id => $stat_calculator)
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{
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// If statistic doesn't exist or it's out of date then we should recalculate it.
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// Otherwise, leave it and continue on to the next stat.
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if(!empty($stats->$stat_id) && $start_time - $stats->$stat_id->lastupdated < $settings->stats_update_interval)
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continue;
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$mod_start_time = microtime(true);
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// Run the statistic calculator, passing in the existing stats data
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$calculated = $stat_calculator["update"](!empty($stats->$stat_id) ? $stats->$stat_id : new stdClass());
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$new_stat_data = new stdClass();
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$new_stat_data->id = $stat_id;
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$new_stat_data->name = $stat_calculator["name"];
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$new_stat_data->lastupdated = $calculated->completed ? $mod_start_time : $stats->$stat_id->lastupdated;
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$new_stat_data->value = $calculated->value;
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if(!empty($calculated->state))
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$new_stat_data->state = $calculated->state;
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// Save the new statistics
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$stats->$stat_id = $new_stat_data;
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$stats_updated++;
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if(!$update_all && microtime(true) - $start_time >= $settings->stats_update_processingtime)
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break;
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}
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header("x-stats-recalculated: $stats_updated");
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//round((microtime(true) - $pageindex_read_start)*1000, 3)
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header("x-stats-calctime: " . round((microtime(true) - $start_time)*1000, 3) . "ms");
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stats_save($stats);
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}
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/**
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* Loads and returns the statistics cache file.
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* @package feature-stats
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* @return object The loaded & decoded statistics.
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*/
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function stats_load()
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{
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global $paths;
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static $stats = null;
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if($stats == null)
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$stats = file_exists($paths->statsindex) ? json_decode(file_get_contents($paths->statsindex)) : new stdClass();
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return $stats;
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}
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/**
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* Saves the statistics back to disk.
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* @package feature-stats
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* @param object The statistics cache to save.
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* @return bool Whether saving succeeded or not.
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*/
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function stats_save($stats)
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{
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global $paths;
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return file_put_contents($paths->statsindex, json_encode($stats, JSON_PRETTY_PRINT) . "\n");
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}
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