How can I output a UTF-8 CSV in PHP that Excel will read properly

Question

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 displays UTF-8 characters properly  but if I open it in Excel it s doing this silly      kind of thing instead  Here s what I ve got at the head of my document   header  content-type application csv charset UTF-8    header  Content-Disposition attachment filename   CHS csv        This all seems to have the desired effect except Excel  Mac  2008  doesn t want to import it properly  There s no options in Excel for me to  open as UTF-8  or anything  so     I m getting a little annoyed   I can t seem to find any clear solutions to this anywhere  despite a lot of people having the same problem  The thing I see the most is to include the BOM  but I can t exactly figure out how to do that  As you can see above I m just echoing this data  I m not writing any file  I can do that if I need to  I m just not because there doesn t seem like a need for it at this point  Any help   Update  I tried echoing the BOM as echo pack  CCC   0xef  0xbb  0xbf   which I just pulled from a site that was trying to detect the BOM  But Excel just appends those three characters to the very first cell when it imports  and still messes up the special characters

User · Answer

I have the same  or similar  problem   In my case  if I add a BOM to the output  it works   header  Content-Encoding  UTF-8    header  Content-type  text csv  charset UTF-8    header  Content-Disposition  attachment  filename Customers Export csv    echo   xEF xBB xBF      UTF-8 BOM   I believe this is a pretty ugly hack  but it worked for me  at least for Excel 2007 Windows  Not sure it ll work on Mac

User · Answer

Add   fprintf  file  chr 0xEF  chr 0xBB  chr 0xBF      Or   fprintf  file    xEF xBB xBF      Before writing any content to CSV file   Example    lt  php  file   fopen   file csv    w    fprintf   file    xEF xBB xBF    fputcsv   file    english   122             fclose  file

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I use this and it works   header  Content-Description  File Transfer    header  Content-Type  text csv  charset UTF-16LE    header  Content-Disposition  attachment  filename file csv    header  Content-Transfer-Encoding  binary    header  Expires  0    header  Cache-Control  must-revalidate  post-check 0  pre-check 0    header  Pragma  public       output headers so that the file is downloaded rather than displayed    create a file pointer connected to the output stream  output   fopen  php   output    w    fputs   output    xEF xBB xBF        output the column headings fputcsv  output  array  Th  ng tin kh  ch h  ng dang k          fetch the data  setutf8    SET NAMES utf8    q    conn- gt query  setutf8    setutf8c    SET character set results    utf8   character set client    utf8   character set connection    utf8   character set database    utf8   character set server    utf8     qc    conn- gt query  setutf8c    setutf9    SET CHARACTER SET utf8    q1    conn- gt query  setutf9    setutf7    SET COLLATION CONNECTION    utf8 general ci     q2    conn- gt query  setutf7    sql    SELECT id  name  email FROM myguests    rows    conn- gt query  sql    arr1  array    if   rows- gt num rows  gt  0       output data of each row while  row    rows- gt fetch assoc           rcontent     Name       row  name      - Email       row  email           arr1    title       rcontent      else        echo  0 results      conn- gt close       loop over the rows  outputting them foreach  arr1 as  result1      fputcsv  output   result1   endforeach

User · Answer

Otherwise you may   header  Content-type  application x-download    header  Content-Transfer-Encoding  binary    header  Content-disposition  attachment  filename    fileName      header  Cache-control  private     echo utf8 decode  output

User · Answer

you can convert your CSV String with iconv   for example    csvString    M  ckm  hl in M  ckm  hl ist die H  lle los n   file put contents  path newTest csv  iconv  UTF-8    ISO-8859-1  TRANSLIT   csvString

User · Answer

The CSV File musst include a Byte Order Mark   Or as suggested and workaround just echo it with the HTTP body

User · Answer

This Post is quite old  but after hours of trying I want to share my solution     maybe it helps someone dealing with Excel and Mac and CSV and stumbles over this threat  I am generating a csv dynamically as output from a Database with Excel Users in mind   UTF-8 with BOM   I tried a lot of iconv  s but couldn  t get german umlauts working in Mac Excel 2004  One solution  PHPExcel  It is great but for my project a bit too much  What works for me is creating the csv file and convert this csv file to xls with this PHPsnippet  csv2xls  the result xls works with excel german umlauts

User · Answer

EASY solution for Mac Excel 2008  I struggled with this soo many times  but here was my easy fix  Open the  csv file in Textwrangler which should open your UTF-8 chars correctly  Now in the bottom status bar change the file format from  Unicode  UTF-8   to  Western  ISO Latin 1   and save the file  Now go to your Mac Excel 2008 and select File   Import   Select csv   Find your file   in File origin select  Windows  ANSI   and voila the UTF-8 chars are showing correctly  At least it does for me

User · Answer

I just dealt with the same problem  and came up with two solutions     Use the PHPExcel class  as suggested by bpeterson76     Using this class generates the most widely compatible file  I was able to generate a file from UTF-8 encoded data that opened fine in Excel 2008 Mac  Excel 2007 Windows  and Google Docs   The biggest problem with using PHPExcel is that it s slow and uses a lot of memory  which isn t an issue for reasonably sized files  but if your Excel CSV file has hundreds or thousands of rows  this library becomes unusable   Here is a PHP method that will take some TSV data and output an Excel file to the browser  note that it uses the Excel5 Writer  which means the file should be compatible with older versions of Excel  but I no longer have access to any  so I cannot test them    function excel export  tsv data   filename         export data   preg split    n     tsv data       foreach  export data as  amp  row             row   preg split    t     row              include  includes PHPExcel php        include  includes PHPExcel Writer Excel5 php          objPHPExcel   new PHPExcel                    objPHPExcel- gt setActiveSheetIndex 0        sheet    objPHPExcel- gt getActiveSheet         row    1        col    A       foreach  export data as  row cells            if  is array  row cells     continue                foreach  row cells as  cell                     sheet- gt setCellValue  col  row   cell                    col                           row    1           col    A               objWriter   new PHPExcel Writer Excel5  objPHPExcel       header  Content-Type  application vnd ms-excel        header  Content-Disposition  attachment filename     filename   xls         header  Cache-Control  max-age 0         objWriter- gt save  php   output           exit         Because of the efficiency issues with PHPExcel  I also had to figure out how to generate a UTF-8  amp  Excel compatible CSV or TSV file     The best I could come up with was a file that was compatible with Excel 2008 Mac  and Excel 2007 PC  but not Google Docs  which is good enough for my application   I found the solution here  specifically  this answer  but you should also read the accepted answer as it explains the problem   Here is the PHP code I used  note that I am using tsv data  tabs as delimiters instead of commas     header    HTTP 1 1 200 OK     header    Date      date    D M j G i s T Y       header    Last-Modified      date    D M j G i s T Y       header    Content-Type  application vnd ms-excel     header    Content-Disposition  attachment filename export csv     print chr 255    chr 254    mb convert encoding  tsv data   UTF-16LE    UTF-8    exit

User · Answer

convert UTF-8 file without BOM to UTF-16LE for excel on mac  fileUtf8String   file get contents  file ext    file put contents  file ext     xFF xFE    mb convert encoding  fileUtf8String   UTF-16LE    UTF-8

User · Answer

To follow up on this   It appears that the problem is simply with Excel on the Mac  It s not how I m generating the files  because even generating CSVs from Excel is breaking them  I save as CSV  and reimport  and all the characters are messed up   So     there doesn t appear to be a correct answer to this  Thanks for all the suggestions   I would say that from all I ve read   Daniel Magliola s suggestion about the BOM would probably be the best answer for some other computer  But it still doesn t solve my problem

User · Answer

Converting already utf-8 encoded text by using mb convert encoding is not needed  Just add three characters in front of the original content    newContent   chr 239    chr 187    chr 191     originalContent   For me this resolved the problem of special characters in csv files

User · Answer

I just tried these headers and got Excel 2013 on a Windows 7 PC to import the CSV file with special characters correctly  The Byte Order Mark  BOM  was the final key that made it work         header  Content-Encoding  UTF-8        header  Content-type  text csv  charset UTF-8        header  Content-disposition  attachment  filename filename csv        header  Pragma  public        header  Expires  0        echo   xEF xBB xBF      UTF-8 BOM

User · Answer

I was having the same issue and it was solved like below       header  Content-Encoding  UTF-8        header  Content-Type  text csv  charset utf-8         header sprintf   Content-Disposition  attachment  filename my-csv- s csv   date   dmY-His             header  Content-Transfer-Encoding  binary        header  Expires  0        header  Cache-Control  must-revalidate  post-check 0  pre-check 0        header  Pragma  public          df   fopen   php   output    w            This line is important      fputs   df    xEF xBB xBF        UTF-8 BOM            foreach    rows as  row             fputcsv   df   row              fclose  df       exit

User · Answer

output a UTF-8 CSV in PHP that Excel will read properly     Use tab as field separator     sep      t      eol      n        fputcsv     count  headings         implode      sep       headings       eol

User · Answer

In my case following works very nice to make CSV file with UTF-8 chars displayed correctly in Excel    out   fopen  php   output    w    fprintf  out  chr 0xEF  chr 0xBB  chr 0xBF    fputcsv  out   some csv strings     The 0xEF 0xBB 0xBF BOM header will let Excel know the correct encoding

User · Answer

You may append the 3 bytes to the file before exporting  it works for me   Before doing that system only work in Windows and HP -UX but failed in Linux   FileOutputStream fStream   new FileOutputStream  f    final byte   bom   new byte      byte  0xEF   byte  0xBB   byte  0xBF    OutputStreamWriter writer   new OutputStreamWriter  fStream   UTF8     fStream write  bom      Have a UTF-8 BOM  3 bytes  hex EF BB BF  at the start of the file  Otherwise Excel will interpret the data according to your locale s default encoding  e g  cp1252  instead of utf-8   Generating CSV file for Excel  how to have a newline inside a value

User · Answer

As I investigated and I found that UTF-8 is not working well on MAC and Windows so I tried with Windows-1252   it supports well on both of them but you must select type of encoding on ubuntu  Here is my code valueToWrite   mb convert encoding  value   Windows-1252      response- gt headers- gt set  Content-Type    mime      charset Windows-1252         response- gt headers- gt set  Pragma    public         response- gt headers- gt set  Content-Endcoding   Windows-1252         response- gt headers- gt set  Cache-Control    maxage 1         response- gt headers- gt set  Content-Disposition    dispositionHeader       echo   xEF xBB xBF      UTF-8 BOM

User · Answer

Does the problem still occur when you save it as a  txt file and them open that in excel with comma as a delimiter   The problem might not be the encoding at all  it might just be that the file isn t a perfect CSV according to excel standards

User · Answer

I had this same problem when I had an Excel VBA routine that imported data  Since CSV is a plain text format  I was working around this by programatically opening the data in a simple file editor like wordpad  and re-saving it as unicode text  or copying it to the clipboard from there and pasting it to Excel  If excel doesn t automatically parse the CSV into cells  this is easily remedied using the built in  Text to Columns  feature

User · Answer

I m on Mac  in my case I just had to specify the separator with  sep   n  and encode the file in UTF-16LE like this    data    sep   n   mb convert encoding  data   UTF-16LE    UTF-8

User · Answer

Excel doesn t support UTF-8  You have to encode your UTF-8 text into UCS-2LE   mb convert encoding  output   UCS-2LE    UTF-8

User · Answer

This is 100  works fine in excel for both Windows7 8 10 and also All Mac OS      Fix issues in excel that are not displaying characters containing diacritics  cyrillic letters  Greek letter and currency symbols   function generateCSVFile  filename   headings   data           Use tab as field separator      newTab      t        newLine      n         fputcsv     count  headings         implode      newTab       headings       newLine               Loop over the   to export     if    empty  data           foreach  data as  item             fputcsv         implode      newTab       item       newLine                       Convert CSV to UTF-16      encoded csv   mb convert encoding  fputcsv   UTF-16LE    UTF-8            Output CSV-specific headers     header  Set-Cookie  fileDownload true  path        This cookie is needed in order to trigger the success window      header  Pragma  public        header  Expires  0        header  Cache-Control  must-revalidate  post-check 0  pre-check 0        header  Cache-Control  private  false       header  Content-Type  application octet-stream        header  Content-Disposition  attachment  filename    filename csv            header  Content-Transfer-Encoding  binary        header  Content-Length     strlen  encoded csv        echo chr 255    chr 254     encoded csv    php array convert to csv excel     exit

User · Answer

You have to use the encoding  Windows-1252     header  Content-Encoding  Windows-1252    header  Content-type  text csv  charset Windows-1252    header  Content-Disposition  attachment  filename   filename       Maybe you have to convert your strings   private function convertToWindowsCharset  string       encoding   mb detect encoding  string      return iconv  encoding   Windows-1252    string

User · Answer

Since UTF8 encoding doesn t play well with Excel  You can convert the data to another encoding type using iconv     e g   iconv  UTF-8    ISO-8859-1  TRANSLIT    value

User · Answer

Here is how I did it  that s to prompt browser to download the csv file    header  Content-Description  File Transfer    header  Content-Type  application octet-stream    header  Content-Disposition  attachment  filename file csv    header  Content-Transfer-Encoding  binary    header  Expires  0    header  Cache-Control  must-revalidate  post-check 0  pre-check 0    header  Pragma  public    echo   xEF xBB xBF      UTF-8 BOM echo  csv file content  exit      The only thing it fixed UTF8 encoding problem in CSV preview when you hit space bar on Mac   but not in Excel Mac 2008    don t know why

User · Answer

How about just outputting for Excel itself   This is an excellent class that allows you to generate XLS files server-side   I use it frequently for clients who can t  figure out  csv s and so far have never had a complaint   It also allows some extra formatting  shading  rowheights  calculations  etc  that csv won t ever do

User · Answer

To quote a Microsoft support engineer      Excel for Mac does not currently support UTF-8   Update  2017  This is true of all versions of Microsoft Excel for Mac before Office 2016  Newer versions  from Office 365  do now support UTF-8   In order to output UTF-8 content that Excel both on Windows and OS X will be able to successfully read  you will need to do two things    Make sure that you convert your UTF-8 CSV text to UTF-16LE  mb convert encoding  csv   UTF-16LE    UTF-8     Make sure that you add the UTF-16LE byte order mark to the start of the file  chr 255    chr 254     The next problem that appears only with Excel on OS X  but not Windows  will be when viewing a CSV file with comma separated values  Excel will render rows only with one row and all of the text along with the commas in the first row   The way to avoid this is to use tabs as your separated value   I used this function from the PHP comments  using tabs   t  instead of commas  and it worked perfectly on OS X and Windows Excel   Note that to fix an issue with an empty column as the end of a row  that I did have to change the line of code that says        field cnt   count  fields     to       field cnt   count  fields -1    As some of the other comments on this page say  other spreadsheet apps like OpenOffice Calc  Apple s own Numbers and Google Doc s Spreadsheet have no issues with UTF-8 files with commas   See the table in this question for what works and doesn t work for Unicode CSV files in Excel    As a side note  I might add that if you are using Composer  you should have a look at adding League Csv to your requires  League Csv has a really nice API for building CSV files   To use League Csv with this method of creating CSV files  check out this example

User · Answer

For me none of the solution above worked   Below is what i did to resolve the issue  modify the value using this function in the PHP code     value   utf8 encode  value     This output values properly in an excel sheet

User · Answer

This works fine in excel for both Windows and also Mac OS  Fix issues in excel that are not displaying characters containing diacritics  cyrillic letters  greek letter and currency symbols  function writeCSV  filename   headings   data              Use tab as field separator      newTab     quot  t quot        newLine     quot  n quot         fputcsv     count  headings      quot    implode   quot    newTab   quot     headings    quot    newLine               Loop over the   to export     if    empty  data           foreach  data as  item             fputcsv      quot    implode   quot    newTab   quot     item    quot    newLine                       Convert CSV to UTF-16      encoded csv   mb convert encoding  fputcsv   UTF-16LE    UTF-8            Output CSV-specific headers     header  Set-Cookie  fileDownload true  path        This cookie is needed in order to trigger the success window      header  quot Pragma  public quot        header  quot Expires  0 quot        header  quot Cache-Control  must-revalidate  post-check 0  pre-check 0 quot        header  quot Cache-Control  private quot  false       header  quot Content-Type  application octet-stream quot        header  quot Content-Disposition  attachment  filename   quot  filename csv  quot   quot         header  quot Content-Transfer-Encoding  binary quot        header  Content-Length     strlen  encoded csv        echo chr 255    chr 254     encoded csv    php array convert to csv excel      exit

[php] How can I output a UTF-8 CSV in PHP that Excel will read properly?

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