Simplify some code bits.

Update code style.

src/Botan.php

@@ -69,7 +69,7 @@ class Botan
         }
 
         $options_default = [
-            'timeout' => 3
+            'timeout' => 3,
         ];
 
         $options = array_merge($options_default, $options);
@@ -115,7 +115,7 @@ class Botan
             return false;
         }
 
-        if (empty($update)) {
+        if ($update === null) {
             throw new TelegramException('Update object is empty!');
         }
 
@@ -133,16 +133,15 @@ class Botan
             'edited_channel_post'  => 'Edited Channel Post',
             'inline_query'         => 'Inline Query',
             'chosen_inline_result' => 'Chosen Inline Result',
-            'callback_query' => 'Callback Query'
+            'callback_query'       => 'Callback Query',
         ];
 
         if (array_key_exists($update_type, $update_object_names)) {
             $data = $update_data[$update_type];
             $event_name = $update_object_names[$update_type];
 
-            if ($update_type === 'message') {
-                if ($update->getMessage()->getEntities()) {
-                    foreach ($update->getMessage()->getEntities() as $entity) {
+            if ($update_type === 'message' && $entities = $update->getMessage()->getEntities()) {
+                foreach ($entities as $entity) {
                     if ($entity->getType() === 'bot_command' && $entity->getOffset() === 0) {
                         if ($command === 'generic') {
                             $command = 'Generic';
@@ -158,48 +157,47 @@ class Botan
                 }
             }
         }
-        }
 
         if (empty($event_name)) {
-            TelegramLog::error("Botan.io stats report failed, no suitable update object found!");
+            TelegramLog::error('Botan.io stats report failed, no suitable update object found!');
+
             return false;
         }
 
         // In case there is no from field assign id = 0
         $uid = isset($data['from']['id']) ? $data['from']['id'] : 0;
 
-        $result = null;
-
         try {
             $response = self::$client->post(
-                str_replace(
-                    ['#TOKEN', '#UID', '#NAME'],
-                    [self::$token, $uid, urlencode($event_name)],
-                    '/track?token=#TOKEN&uid=#UID&name=#NAME'
+                sprintf(
+                    '/track?token=%1$s&uid=%2$s&name=%3$s',
+                    self::$token,
+                    $uid,
+                    urlencode($event_name)
                 ),
                 [
                     'headers' => [
-                        'Content-Type' => 'application/json'
+                        'Content-Type' => 'application/json',
                     ],
-                    'json' => $data
+                    'json'    => $data,
                 ]
             );
 
             $result = (string) $response->getBody();
         } catch (RequestException $e) {
             $result = $e->getMessage();
-        } finally {
+        }
+
         $responseData = json_decode($result, true);
 
-            if ($responseData['status'] !== 'accepted') {
-                TelegramLog::debug('Botan.io stats report failed: ' . ($result ?: 'empty response') . "\n\n");
+        if (!$responseData || $responseData['status'] !== 'accepted') {
+            TelegramLog::debug('Botan.io stats report failed: ' . ($result ?: 'empty response'));
 
             return false;
         }
 
         return $responseData;
     }
-    }
 
     /**
      * Url Shortener function
@@ -226,25 +224,27 @@ class Botan
 
         try {
             $response = self::$client->post(
-                str_replace(
-                    ['#TOKEN', '#UID', '#URL'],
-                    [self::$token, $user_id, urlencode($url)],
-                    '/s/?token=#TOKEN&user_ids=#UID&url=#URL'
+                sprintf(
+                    '/s?token=%1$s&user_ids=%2$s&url=%3$s',
+                    self::$token,
+                    $user_id,
+                    urlencode($url)
                 )
             );
 
             $result = (string) $response->getBody();
         } catch (RequestException $e) {
             $result = $e->getMessage();
-        } finally {
-            if (filter_var($result, FILTER_VALIDATE_URL) !== false) {
-                BotanDB::insertShortUrl($url, $user_id, $result);
-                return $result;
-            } else {
-                TelegramLog::debug('Botan.io URL shortening failed for \'' . $url . '\': ' . ($result ?: 'empty response') . "\n\n");
+        }
+
+        if (filter_var($result, FILTER_VALIDATE_URL) === false) {
+            TelegramLog::debug('Botan.io URL shortening failed for "' . $url . '": ' . ($result ?: 'empty response'));
 
             return $url;
         }
-        }
+
+        BotanDB::insertShortUrl($url, $user_id, $result);
+
+        return $result;
     }
 }