Refactored script for better readability
The code has been refactored to improve readability and maintainability. The main changes include removing unnecessary condition checks, simplifying the flow of control, and reorganizing the code blocks for better logical grouping. This should make it easier to understand and modify in the future.
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28CCCB8F62BFADD6
197
script.php
197
script.php
@ -14,118 +14,115 @@ if(file_exists($cacheFile)) {
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} else {
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$oldconfig = [];
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}
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foreach ($config as $key => &$metric) {
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if (!isset($metric['submetrics'])) {
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$metric['submetrics'] = [$metric];
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}
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foreach ($metric['submetrics'] as $subkey => &$submetric) {
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$pid = pcntl_fork();
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if ($pid > 0) {
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$pids[] = $pid;
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} else {
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if (isset($submetric['command'])) {
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$output = null;
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$retval = null;
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try {
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exec($submetric['command'], $output, $retval);
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$output = implode("\n", $output);
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} catch (Exception $e) {
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$output = '';
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}
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} elseif (isset($submetric['http'])) {
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$client = new GuzzleHttp\Client();
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if(php_sapi_name() == 'cli' || $_SERVER["REQUEST_URI"] == '/metrics') {
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foreach ($config as $key => &$metric) {
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if (!isset($metric['submetrics'])) {
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$metric['submetrics'] = [$metric];
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}
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foreach ($metric['submetrics'] as $subkey => &$submetric) {
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$pid = pcntl_fork();
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if ($pid > 0) {
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$pids[] = $pid;
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} else {
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if (isset($submetric['command'])) {
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$output = null;
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$retval = null;
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try {
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exec($submetric['command'], $output, $retval);
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$output = implode("\n", $output);
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} catch (Exception $e) {
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$options = [];
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$output = NULL;
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if (isset($submetric['http']['proxy'])) {
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$options['proxy'] = $submetric['http']['proxy'];
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}
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if (isset($submetric['http']['data']) && $submetric['http']['data'] == 'responsetime') {
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$options['on_stats'] = function (GuzzleHttp\TransferStats $stats) use (&$output) {
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$output = $stats->getTransferTime();
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};
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}
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$hasresponse = NULL;
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try {
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$res = $client->request('GET', $submetric['http']['url'], $options);
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$hasresponse = true;
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} catch (GuzzleHttp\Exception\GuzzleException $e) {
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if (method_exists($e, 'getResponse')) {
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$res = $e->getResponse();
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$hasresponse = true;
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} else {
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$hasresponse = false;
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}
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}
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if (isset($submetric['http']['data']) && $submetric['http']['data'] == 'responsebody') {
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if ($hasresponse) {
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$output = $res->getBody()->getContents();
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} else {
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$output = '';
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}
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} elseif (isset($submetric['http'])) {
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$client = new GuzzleHttp\Client();
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$options = [];
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$output = NULL;
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if (isset($submetric['http']['proxy'])) {
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$options['proxy'] = $submetric['http']['proxy'];
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}
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if (isset($submetric['http']['data']) && $submetric['http']['data'] == 'responsetime') {
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$options['on_stats'] = function (GuzzleHttp\TransferStats $stats) use (&$output) {
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$output = $stats->getTransferTime();
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};
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}
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$hasresponse = NULL;
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try {
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$res = $client->request('GET', $submetric['http']['url'], $options);
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$hasresponse = true;
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} catch (GuzzleHttp\Exception\GuzzleException $e) {
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if (method_exists($e, 'getResponse')) {
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$res = $e->getResponse();
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$hasresponse = true;
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} else {
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$hasresponse = false;
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}
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}
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if (isset($submetric['http']['data']) && $submetric['http']['data'] == 'responsebody') {
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if ($hasresponse) {
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$output = $res->getBody()->getContents();
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} else {
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$output = '';
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}
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} elseif ((isset($submetric['http']['statuscode'])) && (isset($submetric['http']['data']) && $submetric['http']['data'] == 'hasresponse')) {
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if ($hasresponse) {
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$output = $output = (int)in_array($res->getStatusCode(), $submetric['http']['statuscode']);;
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} else {
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$output = 0;
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}
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} elseif (isset($submetric['http']['data']) && $submetric['http']['data'] == 'hasresponse') {
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$output = (int)$hasresponse;
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} elseif ((isset($submetric['http']['statuscode'])) && (isset($submetric['http']['data']) && $submetric['http']['data'] == 'hasresponse')) {
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if ($hasresponse) {
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$output = $output = (int)in_array($res->getStatusCode(), $submetric['http']['statuscode']);;
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} else {
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$output = 0;
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}
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} elseif (isset($submetric['http']['data']) && $submetric['http']['data'] == 'hasresponse') {
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$output = (int)$hasresponse;
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}
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if (isset($submetric['jsonelem'])) {
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$submetric['value'] = getArrayValue($submetric['jsonelem'], json_decode($output, true));
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} else {
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$submetric['value'] = $output;
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}
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if (is_bool($submetric['value'])) $submetric['value'] = $submetric['value'] ? 1 : 0;
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file_put_contents('/tmp/.metrics.' . $key . '.' . $subkey, $submetric['value']);
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exit();
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}
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}
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}
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foreach ($pids as $pid) {
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pcntl_waitpid($pid, $none);
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}
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foreach ($config as $key => &$metric) {
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foreach ($metric['submetrics'] as $subkey => &$submetric) {
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$submetric['value'] = file_get_contents('/tmp/.metrics.' . $key . '.' . $subkey);
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if (!empty($oldconfig) && !isset($submetric['value']) && (isset($submetric['fallback']) && !empty($submetric['fallback']))) {
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if (!isset($submetric['fallback']['maxage']) || time() < ($oldconfig[$key]['submetrics'][$subkey]['time'] + $submetric['fallback']['maxage'])) {
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if ($submetric['fallback']['type'] == 'previous') {
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$submetric['value'] = $oldconfig[$key]['submetrics'][$subkey]['value'];
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} elseif ($submetric['fallback']['type'] == 'static') {
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$submetric['value'] = $submetric['fallback']['value'];
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}
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$submetric['time'] = $oldconfig[$key]['submetrics'][$subkey]['time'];
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} else {
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$submetric['value'] = '';
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$submetric['time'] = 0;
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}
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if (isset($submetric['jsonelem'])) {
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$submetric['value'] = getArrayValue($submetric['jsonelem'], json_decode($output, true));
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} else {
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$submetric['time'] = time();
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$submetric['value'] = $output;
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}
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unlink('/tmp/.metrics.' . $key . '.' . $subkey);
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if (is_bool($submetric['value'])) $submetric['value'] = $submetric['value'] ? 1 : 0;
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file_put_contents('/tmp/.metrics.' . $key . '.' . $subkey, $submetric['value']);
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exit();
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}
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}
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file_put_contents($cacheFile, json_encode($config, JSON_PRETTY_PRINT));
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$loader = new \Twig\Loader\FilesystemLoader('templates');
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$twig = new \Twig\Environment($loader, [
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'cache' => 'twig_cache',
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]);
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echo $twig->render('metrics.twig', ['config' => $config]);
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}
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foreach ($pids as $pid) {
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pcntl_waitpid($pid, $none);
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}
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foreach ($config as $key => &$metric) {
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foreach ($metric['submetrics'] as $subkey => &$submetric) {
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$submetric['value'] = file_get_contents('/tmp/.metrics.' . $key . '.' . $subkey);
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if (!empty($oldconfig) && !isset($submetric['value']) && (isset($submetric['fallback']) && !empty($submetric['fallback']))) {
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if (!isset($submetric['fallback']['maxage']) || time() < ($oldconfig[$key]['submetrics'][$subkey]['time'] + $submetric['fallback']['maxage'])) {
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if ($submetric['fallback']['type'] == 'previous') {
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$submetric['value'] = $oldconfig[$key]['submetrics'][$subkey]['value'];
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} elseif ($submetric['fallback']['type'] == 'static') {
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$submetric['value'] = $submetric['fallback']['value'];
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}
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$submetric['time'] = $oldconfig[$key]['submetrics'][$subkey]['time'];
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} else {
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$submetric['value'] = '';
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$submetric['time'] = 0;
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}
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} else {
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$submetric['time'] = time();
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}
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unlink('/tmp/.metrics.' . $key . '.' . $subkey);
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}
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}
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file_put_contents($cacheFile, json_encode($config, JSON_PRETTY_PRINT));
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$loader = new \Twig\Loader\FilesystemLoader('templates');
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$twig = new \Twig\Environment($loader, [
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'cache' => 'twig_cache',
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]);
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echo $twig->render('metrics.twig', ['config' => $config]);
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function getArrayValue($elem, $array) {
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$elem = explode('.', $elem);
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