diff --git a/phpstan.neon b/phpstan.neon
index 1b0f571b..b3df0604 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -42,3 +42,12 @@ parameters:
 		- www/lib/smarty-3.1.30/
 		# ignore composer
 		- www/vendor
+	# ignore errores with
+	# ignoreErrors:
+		#- 'error regex'
+		#-
+		#	message: 'error regex'
+		#	path: %currentWorkingDirectory%/www/some/*
+		#	paths:
+		#		- ...
+		#		- ...
diff --git a/static_checkers.txt b/static_checkers.txt
index 893a2a1d..1975c116 100644
--- a/static_checkers.txt
+++ b/static_checkers.txt
@@ -1,3 +1,9 @@
-phan --progress-bar -C -o analysis.txt
+# main static checker
+phan --progress-bar -C -o 4dev/tmp/analysis.txt
+# sub static checker
 phpstan analyse -c phpstan.neon --memory-limit=4G -l 0 www
+# only if we work with composer only
 www/: psalm (this needs the composer autoloader defined)
+
+# for linting
+parallel-lint www/
diff --git a/www/lib/CoreLibs/Basic.php b/www/lib/CoreLibs/Basic.php
index 623e11b6..ae5d49d0 100644
--- a/www/lib/CoreLibs/Basic.php
+++ b/www/lib/CoreLibs/Basic.php
@@ -1512,7 +1512,7 @@ class Basic
 			// labels in order of size
 			$labels = array('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB');
 			// calc file size, round down too two digits, add label based max change
-			return round($number / pow(1024, ($i = floor(log($number, 1024)))), 2).($space ? ' ' : '').(isset($labels[(int)$i]) ? $labels[(int)$i] : '>EB');
+			return round($number / pow(1024, ($i = floor(log((float)$number, 1024)))), 2).($space ? ' ' : '').(isset($labels[(int)$i]) ? $labels[(int)$i] : '>EB');
 		}
 		return (string)$number;
 	}