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Few Special Characters not getting displayed

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Hi,

 

I got a string with special characters and in the table when i see the text, all the texts are inserted properly with the special characters. But when I use the below code to generate CSV file, for few of the special characters like - , ' and ... it displays â€“, â€™ and â€¦. So could someone guide me what changed I have to do in order to get the characters get displayed properly in my CSV file ?


<?php  
  include("dbconnect.php");

  if(isset($_POST['groupname'], $_POST['decks'], $_POST['rows'])){

    $groupname = $_POST['groupname'];
    $decks = $_POST['decks'];
    $rows = $_POST['rows'];    
    $pickdeckrows = $rows/$decks;

    $zip = new ZipArchive();
    $zipname = $groupname.'.zip';
    $zip -> open($zipname, ZipArchive::CREATE);
    $j=1;
    for($i=1; $i<=$decks; $i++){

        $stmt = $dbconnect->prepare("SELECT v.deckid, LPAD(v.decknumber,3,0) as decknumber, v.text  FROM texttable v WHERE  v.groupname=:groupname ORDER BY v.id LIMIT :pickdeckrows");
        $stmt->bindValue(':groupname', $groupname);
        $stmt->bindValue(':pickdeckrows', $pickdeckrows);
        $stmt->execute();

        $output = fopen('php://temp/maxmemory:1048576', 'w');
        if (false === $output) {
            die('Failed to create temporary file');
        }

        while($row = $stmt -> fetch()){
                
            $length += fputcsv($output, [$groupname.$i.$row["decknumber"], $row["text"]
            ]);
        }

        rewind($output);     
        $zip->addFromString($groupname.'Deck '.$j.'.csv', stream_get_contents($output) );
        fpassthru($output);
        fclose($output);
        $j++;  
      }          
    
      $zip->close(); 

      /* To download the zip file from browser use below commented code */
      header('Content-Type: application/zip');
      header('Content-disposition: attachment; filename='.$zipname);
      header('Content-Length: '. filesize($zipname));
      header('Expires: 0');
      header('Cache-Control: private');
      header('Pragma: private');
      ob_clean();
      flush();
      readfile($zipname);
      unlink($zipname);  
  }
  
  else {
    echo "Not set!!!";
  }
?>

Thanks.

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Have you added the following mysql query after your db connection?

SET NAMES utf8

 

Right now I am using the below db connection. PHP version is 5.6

$host = '';
$db   = '';
$user = '';
$pass = '';
$charset = 'utf8mb4';

$dsn = "mysql:host=$host;dbname=$db;charset=$charset";
$opt = [
    PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
    PDO::ATTR_EMULATE_PREPARES   => false,
];

$dbconnect = new PDO($dsn, $user, $pass, $opt);

So, i guess it should work if i change to utf8, but i did change and check the below string:

 

~ @ ! # $ % ^ & * ( ) _ + } { " | \ /.,\ ?>|":

 

but in my CSV file it shows :

 

~ @ ! # $ % ^ & * ( ) _ + } { " | \ /.,\ ?>|":

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