XCache is a fast, stable PHP opcode cacher that has been proven and is now running on production servers under high load. https://xcache.lighttpd.net/
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<?php
include("./common.php");
function freeblock_to_graph($freeblocks, $size)
{
global $config;
// cached in static variable
static $graph_initial;
if (!isset($graph_initial)) {
$graph_initial = array_fill(0, $config['percent_graph_width'], 0);
}
$graph = $graph_initial;
foreach ($freeblocks as $b) {
$begin = $b['offset'] / $size * $config['percent_graph_width'];
$end = ($b['offset'] + $b['size']) / $size * $config['percent_graph_width'];
if ((int) $begin == (int) $end) {
$v = $end - $begin;
$graph[(int) $v] += $v - (int) $v;
}
else {
$graph[(int) $begin] += 1 - ($begin - (int) $begin);
$graph[(int) $end] += $end - (int) $end;
for ($i = (int) $begin + 1, $e = (int) $end; $i < $e; $i ++) {
$graph[$i] += 1;
}
}
}
$html = array();
$c = 255;
foreach ($graph as $k => $v) {
if ($config['percent_graph_type'] != 'free') {
$v = 1 - $v;
}
$v = (int) ($v * $c);
$r = $g = $c - $v;
$b = $c;
$html[] = '<div style="background: rgb(' . "$r,$g,$b" . ')"></div>';
}
return implode('', $html);
}
function calc_total(&$total, $data)
{
foreach ($data as $k => $v) {
switch ($k) {
case 'type':
case 'cache_name':
case 'cacheid':
case 'free_blocks':
continue 2;
}
if (!isset($total[$k])) {
$total[$k] = $v;
}
else {
switch ($k) {
case 'hits_by_hour':
case 'hits_by_second':
foreach ($data[$k] as $kk => $vv) {
$total[$k][$kk] += $vv;
}
break;
default:
$total[$k] += $v;
}
}
}
}
function array_avg($a)
{
if (count($a) == 0) {
return '';
}
return array_sum($a) / count($a);
}
function bar_hits_percent($v, $percent, $active)
{
$r = 220 + (int) ($percent * 25);
$g = $b = 220 - (int) ($percent * 220);
$percent = (int) ($percent * 100);
$a = $active ? ' active' : '';
return '<div title="' . $v . '">'
. '<div class="barf' . $a . '" style="height: ' . (100 - $percent) . '%"></div>'
. '<div class="barv' . $a . '" style="background: rgb(' . "$r,$g,$b" . '); height: ' . $percent . '%"></div>'
. '</div>';
}
function get_cache_hits_graph($ci, $key)
{
if ($ci['cacheid'] == -1) {
$max = max($ci[$key]);
}
else {
$max = $GLOBALS['maxhits_by_hour'][$ci['type']];
}
if (!$max) {
$max = 1;
}
$t = (time() / (60 * 60)) % 24;
$html = array();
foreach ($ci[$key] as $i => $v) {
$html[] = bar_hits_percent($v, $v / $max, $i == $t);
}
return implode('', $html);
}
$module = "cacher";
if (!extension_loaded('XCache')) {
include("../common/header.tpl.php");
echo '<h1>XCache is not loaded</h1>';
ob_start();
phpinfo(INFO_GENERAL);
$info = ob_get_clean();
if (preg_match_all("!<tr>[^<]*<td[^>]*>[^<]*(?:Configuration|ini|Server API)[^<]*</td>[^<]*<td[^>]*>[^<]*</td>[^<]*</tr>!s", $info, $m)) {
echo '<div class="phpinfo">';
echo 'PHP Info';
echo '<table>';
echo implode('', $m[0]);
echo '</table>';
echo '</div>';
}
if (preg_match('!<td class="v">(.*?\\.ini)!', $info, $m)) {
echo "Please check $m[1]";
}
else if (preg_match('!Configuration File \\(php.ini\\) Path *</td><td class="v">([^<]+)!', $info, $m)) {
echo "Please put a php.ini in $m[1] and load XCache extension";
}
else {
echo "You don't even have a php.ini yet?";
}
echo "(See above)";
include("../common/footer.tpl.php");
exit;
}
$pcnt = xcache_count(XC_TYPE_PHP);
$vcnt = xcache_count(XC_TYPE_VAR);
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$remove = @ $_POST['remove'];
if ($remove && is_array($remove)) {
foreach ($remove as $name) {
xcache_unset($name);
}
}
}
$moduleinfo = null;
$type_none = -1;
if (!isset($_GET['type'])) {
$_GET['type'] = $type_none;
}
$_GET['type'] = $type = (int) $_GET['type'];
// {{{ process clear, enable, disable
function processAction()
{
$type = isset($_POST['type']) ? $_POST['type'] : null;
if ($type != XC_TYPE_PHP && $type != XC_TYPE_VAR) {
$type = null;
}
if (isset($type)) {
$cacheid = (int) (isset($_POST['cacheid']) ? $_POST['cacheid'] : 0);
if (isset($_POST['clearcache'])) {
xcache_clear_cache($type, $cacheid);
}
if (isset($_POST['enable'])) {
xcache_enable_cache($type, $cacheid);
}
if (isset($_POST['disable'])) {
xcache_enable_cache($type, $cacheid, false);
}
}
}
processAction();
// }}}
// {{{ load info/list
$cacheinfos = array();
$total = array();
$maxhits_by_hour = array(0, 0);
for ($i = 0; $i < $pcnt; $i ++) {
$data = xcache_info(XC_TYPE_PHP, $i);
if ($type === XC_TYPE_PHP) {
$data += xcache_list(XC_TYPE_PHP, $i);
}
$data['type'] = XC_TYPE_PHP;
$data['cache_name'] = "php#$i";
$data['cacheid'] = $i;
$cacheinfos[] = $data;
$maxhits_by_hour[XC_TYPE_PHP] = max($maxhits_by_hour[XC_TYPE_PHP], max($data['hits_by_hour']));
if ($pcnt >= 2) {
calc_total($total, $data);
}
}
if ($pcnt >= 2) {
$total['type'] = XC_TYPE_PHP;
$total['cache_name'] = _('Total');
$total['cacheid'] = -1;
$total['gc'] = null;
$total['istotal'] = true;
unset($total['compiling']);
$cacheinfos[] = $total;
}
$total = array();
for ($i = 0; $i < $vcnt; $i ++) {
$data = xcache_info(XC_TYPE_VAR, $i);
if ($type === XC_TYPE_VAR) {
$data += xcache_list(XC_TYPE_VAR, $i);
}
$data['type'] = XC_TYPE_VAR;
$data['cache_name'] = "var#$i";
$data['cacheid'] = $i;
$cacheinfos[] = $data;
$maxhits_by_hour[XC_TYPE_VAR] = max($maxhits_by_hour[XC_TYPE_VAR], max($data['hits_by_hour']));
if ($vcnt >= 2) {
calc_total($total, $data);
}
}
if ($vcnt >= 2) {
$total['type'] = XC_TYPE_VAR;
$total['cache_name'] = _('Total');
$total['cacheid'] = -1;
$total['gc'] = null;
$total['istotal'] = true;
$cacheinfos[] = $total;
}
// }}}
// {{{ merge the list
switch ($type) {
case XC_TYPE_PHP:
case XC_TYPE_VAR:
$cachelist = array('type' => $type, 'cache_list' => array(), 'deleted_list' => array());
if ($type == XC_TYPE_VAR) {
$cachelist['type_name'] = 'var';
}
else {
$cachelist['type_name'] = 'php';
}
foreach ($cacheinfos as $i => $c) {
if (!empty($c['istotal'])) {
continue;
}
if ($c['type'] == $type && isset($c['cache_list'])) {
foreach ($c['cache_list'] as $e) {
$e['cache_name'] = $c['cache_name'];
$cachelist['cache_list'][] = $e;
}
foreach ($c['deleted_list'] as $e) {
$e['cache_name'] = $c['cache_name'];
$cachelist['deleted_list'][] = $e;
}
}
}
if ($type == XC_TYPE_PHP) {
$inodes = array();
$haveinode = false;
foreach ($cachelist['cache_list'] as $e) {
if (isset($e['file_inode'])) {
$haveinode = true;
break;
}
}
if (!$haveinode) {
foreach ($cachelist['deleted_list'] as $e) {
if (isset($e['file_inode'])) {
$haveinode = true;
break;
}
}
}
}
unset($data);
break;
default:
$_GET['type'] = $type_none;
$cachelist = array();
ob_start();
phpinfo(INFO_MODULES);
$moduleinfo = ob_get_clean();
if (preg_match_all('!(XCache[^<>]*)</a></h2>(.*?)<h2>!is', $moduleinfo, $m)) {
$moduleinfo = array();
foreach ($m[1] as $i => $dummy) {
$moduleinfo[] = '<h3>' . trim($m[1][$i]) . '</h3>';
$moduleinfo[] = str_replace('<br />', '', trim($m[2][$i]));
}
$moduleinfo = implode('', $moduleinfo);
}
else {
$moduleinfo = null;
}
break;
}
// }}}
$type_php = XC_TYPE_PHP;
$type_var = XC_TYPE_VAR;
$listTypes = array($type_none => _('Statistics'), $type_php => _('List PHP'), $type_var => _('List Var Data'));
include("cacher.tpl.php");
?>