php_excel.php

   1 <?php
   2
   3 /**
   4  * @author sapta
   5  * @copyright 2009
   6  */
   7
   8 $cdate = date("Y-m-d"); // get current date
   9
  10 // configuration
  11 $mysql_host = 'localhost';
  12 $mysql_user = 'root';
  13 $mysql_pass = 'root';
  14 $mysql_db       = 'pafauf_bdd';
  15 $query_string = "select * from v_excel";
  16 $export_filename = "exported_tableau_on_$cdate.xls";
  17
  18 // connect to mysql server
  19 $mysql_link = mysql_connect($mysql_host,$mysql_user,$mysql_pass);
  20 mysql_select_db($mysql_db,$mysql_link);
  21
  22 // query from table
  23 $result = mysql_query($query_string);
  24
  25 $count = mysql_num_fields($result);
  26
  27 // fetch table header
  28 $header = '';
  29 for ($i = 0; $i < $count; $i++){
  30         $header .= mysql_field_name($result, $i)."\t";
  31 }
  32
  33 // fetch data each row, store on tabular row data
  34 while($row = mysql_fetch_row($result)){
  35         $line = '';
  36         foreach($row as $value){
  37                 if(!isset($value) || $value == ""){
  38                         $value = "\t";
  39                 }else{
  40                         # important to escape any quotes to preserve them in the data.
  41                         $value = str_replace('"', '""', $value);
  42                         # needed to encapsulate data in quotes because some data might be multi line.
  43                         # the good news is that numbers remain numbers in Excel even though quoted.
  44                         $value = '"' . $value . '"' . "\t";
  45                 }
  46
  47                 $line .= $value;
  48         }
  49         $data .= trim($line)."\n";
  50 }
  51
  52 # this line is needed because returns embedded in the data have "\r"
  53 # and this looks like a "box character" in Excel
  54 $data = str_replace("\r", "", $data);
  55
  56 # Nice to let someone know that the search came up empty.
  57 # Otherwise only the column name headers will be output to Excel.
  58 if ($data == "") {
  59         $data = "\nno matching records found\n";
  60 }
  61
  62 // create table header showing to download a xls (excel) file
  63 header("Content-type: application/octet-stream");
  64 header("Content-Disposition: attachment; filename=$export_filename");
  65 header("Cache-Control: public");
  66 header("Content-length: ".strlen($data)); // tells file size
  67 header("Pragma: no-cache");
  68 header("Expires: 0");
  69
  70 // output data
  71 echo $header."\n".$data;
  72
  73 ?>