onarcade functions php de değişiklik yapman gerekiyor.

filetitle için

$fileTitle = str_replace(" ","-",$fileTitle);
        $fileTitle = str_replace("'","_",$fileTitle);
        $fileTitle = str_replace(":","_",$fileTitle);
        $fileTitle = str_replace("ä","a",$fileTitle);
        $fileTitle = str_replace("ö","o",$fileTitle);
        $fileTitle = str_replace("ü","u",$fileTitle);
        $fileTitle = str_replace("ı","i",$fileTitle);
        $fileTitle = str_replace("ç","c",$fileTitle);
        $fileTitle = str_replace("ğ","g",$fileTitle);
        $fileTitle = str_replace("ş","s",$fileTitle);
        $fileTitle = str_replace("Ö","O",$fileTitle);
        $fileTitle = str_replace("Ü","U",$fileTitle);
        $fileTitle = str_replace("İ","I",$fileTitle);
        $fileTitle = str_replace("Ç","C",$fileTitle);
        $fileTitle = str_replace("Ğ","G",$fileTitle);
        $fileTitle = str_replace("Ş","S",$fileTitle);

kategori isimleri için

$categoryname = str_replace(" ","-",$categoryname);
        $categoryname = str_replace("'","_",$categoryname);
        $categoryname = str_replace("ä","a",$categoryname);
        $categoryname = str_replace("ö","o",$categoryname);
        $categoryname = str_replace("ü","u",$categoryname);
        $categoryname = str_replace("ı","i",$categoryname);
        $categoryname = str_replace("ç","c",$categoryname);
        $categoryname = str_replace("ğ","g",$categoryname);
        $categoryname = str_replace("ş","s",$categoryname);
        $categoryname = str_replace("Ö","O",$categoryname);
        $categoryname = str_replace("Ü","U",$categoryname);
        $categoryname = str_replace("İ","I",$categoryname);
        $categoryname = str_replace("Ç","C",$categoryname);
        $categoryname = str_replace("Ğ","G",$categoryname);
        $categoryname = str_replace("Ş","S",$categoryname);

profil için falan bunları ekle çalışır