How can PHP developers address recent changes in default charsets delivered by web servers that may impact the display of special characters and Umlauts in CSV files on webpages?

To address recent changes in default charsets that may impact the display of special characters and Umlauts in CSV files on webpages, PHP developers can set the header content type to UTF-8 before outputting the CSV file. This ensures that the special characters are displayed correctly. 

header('Content-Type: text/csv; charset=utf-8');
header('Content-Disposition: attachment; filename=example.csv');
$output = fopen('php://output', 'w');

// Add your CSV data here
fputcsv($output, $data);

fclose($output);

Keywords

PHP charset special characters Umlauts CSV files

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