Style and typing fixes

Author: MarkBaker

src/PhpSpreadsheet/Helper/Downloader.php

@@ -26,7 +26,7 @@ public function __construct(string $folder, string $filename, ?string $filetype
             throw new Exception("Folder {$folder} is not accessable");
         }
         $filepath = "{$folder}/{$filename}";
-        $this->filepath = realpath($filepath);
+        $this->filepath = (string) realpath($filepath);
         $this->filename = basename($filepath);
         if ((file_exists($this->filepath) === false) || (is_readable($this->filepath) === false)) {
             throw new Exception("{$this->filename} not found, or cannot be read");

src/PhpSpreadsheet/Helper/Sample.php

@@ -249,7 +249,10 @@ public function logWrite(IWriter $writer, $path, $callStartTime): void
         $callTime = $callEndTime - $callStartTime;
         $reflection = new ReflectionClass($writer);
         $format = $reflection->getShortName();
-        $message = "Write {$format} format to <code>{$path}</code>  in " . sprintf('%.4f', $callTime) . ' seconds';
+
+        $message = ($this->isCli() === true)
+            ? "Write {$format} format to {$path}  in " . sprintf('%.4f', $callTime) . ' seconds'
+            : "Write {$format} format to <code>{$path}</code>  in " . sprintf('%.4f', $callTime) . ' seconds';
 
         $this->log($message);
     }