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POWriting a CSV file for Mac users with PHP
 

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    <p>I use a generic algorithm to write CSV files that in theory works for the major OSes. However, the client started to use Mac a few weeks ago, and they keep telling me the CSV file cannot be read in Microsoft Excel 2008 for Mac 12.2.1.</p> <p>They have their OS configured to use "semicolon ;" as list separator, which is exactly what I am writing in the CSV. They also say, that when they open the file in notepad, they have noticed there are no linebreaks, everything is displayed in a single line; which is why Excel cannot read the file properly; but in my code, I am using the cross-browser line break <code>\r\n</code> </p> <p>This is the full code I use:</p> <pre><code>header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); // Output to browser with appropriate mime type, you choose ;) header("Content-type: text/x-csv"); //header("Content-type: text/csv"); //header("Content-type: application/csv"); header("Content-Disposition: attachment; filename=participantes.csv"); $separator = ";"; $rs = $sql-&gt;doquery("SELECT A QUERY TO RETRIEVE DATA FROM THE DB"); $header = ""; $num_fields = mysql_num_fields($rs); for($i=0; $i&lt;$num_fields; $i++){ $field = mysql_field_name($rs, $i); $header .= $field.$separator; } echo $header."\r\n"; while($row = $sql-&gt;fetch($rs)){ $str = ""; for($i=0; $i&lt;$num_fields; $i++){ $field = mysql_field_name($rs, $i); $value = str_replace(";", ",", $row-&gt;{$field}); $value = str_replace("\n", ",", $value); $value = str_replace("\d", ",", $value); $value = str_replace(chr(13), ",", $value); $str .= $value.$separator; } echo $str."\r\n"; } </code></pre> <p>Is there anything I can do so Mac users can read the file properly?</p>
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