refactor: count on null

app/Helpers/BBCodeConverter.php

@@ -125,7 +125,7 @@ class BBCodeConverter
                 }
                 $items = \preg_split('#\[\*\]#u', $list);
 
-                $counter = \count($items);
+                $counter = is_countable($items) ? \count($items) : 0;
 
                 if (isset($matches['type']) && $matches['type'] == '=1') { // ordered list
                     // We start from 1 to discard the first string, in fact, it's empty.

app/Helpers/EmailBlacklistUpdater.php

@@ -28,7 +28,7 @@ class EmailBlacklistUpdater
         $duration = Carbon::now()->addMonth();
 
         $domains = \json_decode(\file_get_contents($url), true);
-        $count = \count($domains);
+        $count = is_countable($domains) ? \count($domains) : 0;
 
         // Retrieve blacklisted domains
         \cache()->put($key, $domains, $duration);

app/Helpers/SystemInformation.php

@@ -69,7 +69,7 @@ class SystemInformation
     {
         $bytes = \max($bytes, 0);
         $pow = \floor(($bytes ? \log($bytes) : 0) / \log(1_024));
-        $pow = \min($pow, \count(self::UNITS) - 1);
+        $pow = \min($pow, (is_countable(self::UNITS) ? \count(self::UNITS) : 0) - 1);
         // Uncomment one of the following alternatives
         $bytes /= \pow(1_024, $pow);
         // $bytes /= (1 << (10 * $pow));