CREATE PHP csv File with Umlauts for Excel


To create a csv file, where the umlauts are correctly coded, you have to be in your project, which is normally encoded UTF-8, encode the umlauts according to UTF-16LE. This encoding can be viewed from Windows and Mac.

$file = fopen('file.csv', 'w');
foreach ($rows as $row) {
 $row = array_map(function($cell){
 return mb_convert_encoding($cell, 'UTF-16LE', 'UTF-8');
 }, $row);
 fputcsv($file, $row, ';');
}
fclose($file);

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