I\'ve got this very simple thing that just outputs some stuff in CSV format, but it\'s got to be UTF-8. I open this file in TextEdit or TextMate or Dreamweaver and it displa
you can convert your CSV String with iconv. for example:
$csvString = "Möckmühl;in Möckmühl ist die Hölle los\n"; file_put_contents('path/newTest.csv',iconv("UTF-8", "ISO-8859-1//TRANSLIT",$csvString) );