diff --git a/index.php b/index.php
index d127095..1310042 100644
--- a/index.php
+++ b/index.php
@@ -3,52 +3,52 @@ require 'vendor/autoload.php';
 require 'config.php';
 
 if($_SERVER["REQUEST_URI"] == '/metrics' || php_sapi_name() == 'cli') {
-	foreach ($config as $key => &$c) {
-		if(isset($c['command'])) {
-			$output=null;
-			$retval=null;
-			exec($c['command'], $output, $retval);
-			$output = implode("\n", $output);
-		} elseif(isset($c['http'])) {
-			$client = new GuzzleHttp\Client();
+    foreach ($config as $key => &$c) {
+        if(isset($c['command'])) {
+            $output=null;
+            $retval=null;
+            exec($c['command'], $output, $retval);
+            $output = implode("\n", $output);
+        } elseif(isset($c['http'])) {
+            $client = new GuzzleHttp\Client();
 
-			$options = [];
-			$output = NULL;
-			if (isset($c['http']['proxy'])) {
-				$options['proxy'] = $c['http']['proxy'];
-			}
-			if (isset($c['http']['data']) && $c['http']['data'] == 'responsetime') {
-				$options['on_stats'] = function (GuzzleHttp\TransferStats $stats) use (&$output) {
-					$output = $stats->getTransferTime();
-				};
-			}
+            $options = [];
+            $output = NULL;
+            if (isset($c['http']['proxy'])) {
+                $options['proxy'] = $c['http']['proxy'];
+            }
+            if (isset($c['http']['data']) && $c['http']['data'] == 'responsetime') {
+                $options['on_stats'] = function (GuzzleHttp\TransferStats $stats) use (&$output) {
+                    $output = $stats->getTransferTime();
+                };
+            }
+            
+            $res = $client->request('GET', $c['http']['url'], $options);
 
-			$res = $client->request('GET', $c['http']['url'], $options);
+            if (isset($c['http']['data']) && $c['http']['data'] == 'responsebody') {
+                $output = $res->getBody()->getContents();
+            }
+        }
 
-			if (isset($c['http']['data']) && $c['http']['data'] == 'responsebody') {
-				$output = $res->getBody()->getContents();
-			}
-		}
+        if(isset($c['jsonelem'])) {
+            $c['value'] = getArrayValue($c['jsonelem'], json_decode($output, true));
+        } else {
+            $c['value'] = $output;
+        }
+    }
 
-		if(isset($c['jsonelem'])) {
-			$c['value'] = getArrayValue($c['jsonelem'], json_decode($output, true));
-		} else {
-			$c['value'] = $output;
-		}
-	}
-
-	$loader = new \Twig\Loader\FilesystemLoader('templates');
-	$twig = new \Twig\Environment($loader, [
-		'cache' => 'twig_cache',
-	]);
-	echo $twig->render('metrics.twig', ['config' => $config]);
+    $loader = new \Twig\Loader\FilesystemLoader('templates');
+    $twig = new \Twig\Environment($loader, [
+        'cache' => 'twig_cache',
+    ]);
+    echo $twig->render('metrics.twig', ['config' => $config]);
 }
 
 function getArrayValue($elem, $array) {
-	$elem = explode('.', $elem);
-	$new_array = $array;
-	foreach ($elem as $i) {
-		$new_array = $new_array[$i];
-	}
-	return $new_array;
+    $elem = explode('.', $elem);
+    $new_array = $array;
+    foreach ($elem as $i) {
+        $new_array = $new_array[$i];
+    }
+    return $new_array;
 }
\ No newline at end of file