無法從PHP中讀取的特殊字符（例如「。」）

Question

我正在爲電子商務網站製作導入/導出功能。導入庫存的功能正常。但那裏的問題在那裏。當我在庫存字段內寫入任何特殊字符（例如「。」，「，」）時，此字符替換爲「??」。

那麼，任何人都可以幫助我解決這個問題？

Answer 1

header("Content-Type: text/html; charset=utf-8"); 
     $csvContent = file_get_contents($fileName); 
     $encoding = mb_detect_encoding($csvContent, 
             array("UTF-8","UTF-32","UTF-32BE","UTF-32LE","UTF-16","UTF-16BE","UTF-16LE"), 
             TRUE); 

     if($fileEncoding !== "UTF-8") { 
      $csvContent = mb_convert_encoding($csvContent, "UTF-8", $fileEncoding); 
     } 

     foreach(explode(PHP_EOL, $csvContent) as $item) { 
      var_dump($item); 
     }