Minor fix for PHPStan

Author: devdot

phpstan.neon

@@ -3,6 +3,8 @@ parameters:
     paths:
         - src/
 
+    level: 8
+
     ignoreErrors:
         -
             message: '#Function config not found#'

src/Commands/ShowLog.php

@@ -215,7 +215,7 @@ protected function printRecordSingleline(LogRecord $record): void {
         $plain = preg_replace('/<[^\/]*?>(.*?)<\/>/', '$1', $str);
 
         // and shorten the entire string to fit one line
-        if(strlen($plain) > $this->terminalWidth) {
+        if(strlen($plain ?? '') > $this->terminalWidth) {
             // split the text open according to preg match
             $m = [];
             preg_match_all('/(<(?<tag>[^\/]*?)>(?<string>.*?)<\/>|.*?)/', $str, $m, PREG_SET_ORDER);