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<?php |
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// This file is part of BOINC. |
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// http://boinc.berkeley.edu |
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// Copyright (C) 2018 University of California |
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// |
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// BOINC is free software; you can redistribute it and/or modify it |
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// under the terms of the GNU Lesser General Public License |
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// as published by the Free Software Foundation, |
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// either version 3 of the License, or (at your option) any later version. |
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// |
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// BOINC is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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// See the GNU Lesser General Public License for more details. |
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// |
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// You should have received a copy of the GNU Lesser General Public License |
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>. |
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// show statistics of the host population |
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require_once("../inc/util.inc"); |
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require_once("../inc/cache.inc"); |
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$min_credit = .1; // only count hosts with this much RAC |
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$total_rac = 0; |
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define("CACHE_PERIOD", 7*86400); |
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function show_type($type, $stats) { |
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global $total_rac; |
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$pct = $total_rac?number_format(100*$stats->rac/$total_rac, 4):0; |
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row_array(array($type, $stats->nhosts, "$pct %")); |
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} |
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// a "stats" object consists of #hosts and RAC. Compare the RAC. |
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// |
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function cmp_rac($stat1, $stat2) { |
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if ($stat1->rac < $stat2->rac) return 1; |
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if ($stat1->rac > $stat2->rac) return -1; |
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return 0; |
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} |
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// sort an array whose values are stats objects |
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// |
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function sort_stats_by_rac($stats) { |
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uasort($stats, 'cmp_rac'); |
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return $stats; |
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} |
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function get_stats($clause) { |
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global $db, $min_credit; |
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$results = $db->enum_general( |
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'StdClass', |
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"select count(*) as nhosts, sum(expavg_credit) as rac from host where expavg_credit>$min_credit and $clause" |
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); |
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return $results[0]; |
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} |
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function hosts_win($os_names) { |
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$total = new StdClass; |
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$total->nhosts = 0; |
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$total->rac = 0; |
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$os_stats = array(); |
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View Code Duplication |
foreach ($os_names as $os_name) { |
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if (strstr($os_name, "Windows")) { |
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$stats = get_stats("os_name='$os_name'"); |
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$os_stats[$os_name] = $stats; |
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$total->nhosts += $stats->nhosts; |
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$total->rac += $stats->rac; |
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} |
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} |
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$os_stats = sort_stats_by_rac($os_stats); |
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$os_stats['Windows total'] = $total; |
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return $os_stats; |
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} |
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function hosts_darwin() { |
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global $db, $min_credit; |
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$results = $db->enum_general( |
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'StdClass', |
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"select distinct(os_version) as v from host where os_name='Darwin' and expavg_credit>$min_credit" |
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); |
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$vers = array(); |
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foreach ($results as $result) { |
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$vers[] = $result->v; |
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} |
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$total = new StdClass; |
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$total->nhosts = 0; |
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$total->rac = 0; |
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$os_stats = array(); |
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View Code Duplication |
foreach ($vers as $ver) { |
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$stats = get_stats( |
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"os_name='Darwin' and os_version='$v'" |
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); |
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$os_stats[$ver] = $stats; |
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$total->nhosts += $stats->nhosts; |
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$total->rac += $stats->rac; |
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} |
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$os_stats = sort_stats_by_rac($os_stats); |
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$os_stats['total'] = $total; |
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return $os_stats; |
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} |
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function hosts_linux() { |
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return get_stats("os_name like '%Linux%'"); |
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} |
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function hosts_other($os_names) { |
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$d = array(); |
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foreach ($os_names as $os_name) { |
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if (strstr($os_name, 'Windows')) continue; |
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if (strstr($os_name, 'Darwin')) continue; |
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if (strstr($os_name, 'Linux')) continue; |
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if (!$os_name) continue; |
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$d[$os_name] = get_stats("os_name='$os_name'"); |
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} |
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return $d; |
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} |
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function get_os_data() { |
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global $db, $min_credit; |
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$db = BoincDb::get(); |
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$names = $db->enum_general( |
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'StdClass', |
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"select distinct(os_name) from host where expavg_credit>$min_credit" |
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); |
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$os_names = array(); |
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foreach ($names as $n) { |
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$os_names[] = $n->os_name; |
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} |
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$data = new StdClass; |
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$data->total_rac = $db->sum('host', 'expavg_credit', ''); |
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$data->windows = hosts_win($os_names); |
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$data->darwin = hosts_darwin(); |
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$data->linux = hosts_linux(); |
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$data->other = hosts_other($os_names); |
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return $data; |
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} |
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function hosts_by_os() { |
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global $db, $min_credit, $total_rac; |
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$data = get_cached_data(CACHE_PERIOD, "os"); |
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View Code Duplication |
if ($data) { |
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$data = unserialize($data); |
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} else { |
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$data = get_os_data(); |
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set_cached_data(CACHE_PERIOD, serialize($data), "os"); |
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} |
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$total_rac = $data->total_rac; |
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page_head("Computer breakdown by operating system"); |
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echo "<p><a href=host_stats.php?boinc_version=1>View breakdown by BOINC version</a><p>\n"; |
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start_table("table-striped"); |
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row_heading_array(array("Operating system", "# of active computers", "% of recent credit")); |
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//echo "total: $total_rac\n"; |
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foreach ($data->windows as $vers=>$stats) { |
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show_type($vers, $stats); |
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} |
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foreach ($data->darwin as $vers=>$state) { |
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show_type("Darwin $vers", $state); |
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} |
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show_type("Linux total", $data->linux); |
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foreach ($data->other as $vers=>$stats) { |
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show_type($vers, $stats); |
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} |
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end_table(); |
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page_tail(); |
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} |
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function get_boinc_version_data() { |
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global $db, $min_credit; |
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$db = BoincDb::get(); |
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$results = $db->enum_general( |
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'StdClass', |
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"select distinct substring(serialnum, locate('BOINC', serialnum), 14) as boinc_vers from host where expavg_credit>$min_credit" |
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); |
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$boinc_versions = array(); |
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foreach ($results as $result) { |
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$boinc_vers = substr($result->boinc_vers, 6); |
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$boinc_vers = strstr($boinc_vers, "]", true); |
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if ($boinc_vers) $boinc_versions[] = $boinc_vers; |
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} |
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$vers = array(); |
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foreach ($boinc_versions as $boinc_vers) { |
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$vers[$boinc_vers] = get_stats("serialnum like '%$boinc_vers%'"); |
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} |
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$vers = sort_stats_by_rac($vers); |
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$data = new StdClass; |
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$data->total_rac = $db->sum('host', 'expavg_credit', ''); |
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$data->vers = $vers; |
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return $data; |
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} |
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function hosts_by_boinc_version() { |
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global $db, $min_credit, $total_rac; |
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$data = get_cached_data(CACHE_PERIOD, "boinc_version"); |
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View Code Duplication |
if ($data) { |
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$data = unserialize($data); |
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} else { |
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$data = get_boinc_version_data(); |
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set_cached_data(CACHE_PERIOD, serialize($data), "boinc_version"); |
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} |
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$total_rac = $data->total_rac; |
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page_head("Computer breakdown by BOINC version"); |
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echo "<p><a href=host_stats.php>View breakdown by operating system</a><p>\n"; |
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start_table("table-striped"); |
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row_heading_array(array("BOINC version", "# of active computers", "% of recent credit")); |
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foreach ($data->vers as $vers=>$stats) { |
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show_type($vers, $stats); |
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} |
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end_table(); |
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page_tail(); |
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} |
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if (get_str("boinc_version", true)) { |
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hosts_by_boinc_version(); |
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} else { |
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hosts_by_os(); |
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} |
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?> |
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BOINC /
boinc
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.